Initial commit from HTC m7ul-3.4.10-jb-crc-ddcfb8c
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
new file mode 100644
index 0000000..f3fe30d
--- /dev/null
+++ b/arch/arm/mm/init.c
@@ -0,0 +1,826 @@
+/*
+ * linux/arch/arm/mm/init.c
+ *
+ * Copyright (C) 1995-2005 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/swap.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/mman.h>
+#include <linux/mm.h>
+#include <linux/export.h>
+#include <linux/nodemask.h>
+#include <linux/initrd.h>
+#include <linux/of_fdt.h>
+#include <linux/highmem.h>
+#include <linux/gfp.h>
+#include <linux/memblock.h>
+#include <linux/sort.h>
+#include <linux/dma-contiguous.h>
+
+#include <asm/mach-types.h>
+#include <asm/memblock.h>
+#include <asm/prom.h>
+#include <asm/sections.h>
+#include <asm/setup.h>
+#include <asm/sizes.h>
+#include <asm/tlb.h>
+#include <asm/fixmap.h>
+#include <asm/cputype.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <linux/ion.h>
+#include <linux/msm_kgsl.h>
+
+#include "mm.h"
+
+static unsigned long phys_initrd_start __initdata = 0;
+static unsigned long phys_initrd_size __initdata = 0;
+int msm_krait_need_wfe_fixup;
+EXPORT_SYMBOL(msm_krait_need_wfe_fixup);
+
+static int __init early_initrd(char *p)
+{
+ unsigned long start, size;
+ char *endp;
+
+ start = memparse(p, &endp);
+ if (*endp == ',') {
+ size = memparse(endp + 1, NULL);
+
+ phys_initrd_start = start;
+ phys_initrd_size = size;
+ }
+ return 0;
+}
+early_param("initrd", early_initrd);
+
+static int __init parse_tag_initrd(const struct tag *tag)
+{
+ printk(KERN_WARNING "ATAG_INITRD is deprecated; "
+ "please update your bootloader.\n");
+ phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
+ phys_initrd_size = tag->u.initrd.size;
+ return 0;
+}
+
+__tagtable(ATAG_INITRD, parse_tag_initrd);
+
+static int __init parse_tag_initrd2(const struct tag *tag)
+{
+ phys_initrd_start = tag->u.initrd.start;
+ phys_initrd_size = tag->u.initrd.size;
+ return 0;
+}
+
+__tagtable(ATAG_INITRD2, parse_tag_initrd2);
+
+#ifdef CONFIG_OF_FLATTREE
+void __init early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end)
+{
+ phys_initrd_start = start;
+ phys_initrd_size = end - start;
+}
+#endif
+
+struct meminfo meminfo;
+
+void show_mem(unsigned int filter)
+{
+ int free = 0, total = 0, reserved = 0;
+ int shared = 0, cached = 0, slab = 0, i;
+ struct meminfo * mi = &meminfo;
+ unsigned long kgsl_alloc = kgsl_get_alloc_size(0);
+ int ion_alloc = ion_iommu_heap_dump_size();
+
+ printk("Mem-info:\n");
+ show_free_areas(filter);
+
+ for_each_bank (i, mi) {
+ struct membank *bank = &mi->bank[i];
+ unsigned int pfn1, pfn2;
+ struct page *page, *end;
+
+ pfn1 = bank_pfn_start(bank);
+ pfn2 = bank_pfn_end(bank);
+
+ page = pfn_to_page(pfn1);
+ end = pfn_to_page(pfn2 - 1) + 1;
+
+ do {
+ total++;
+ if (PageReserved(page))
+ reserved++;
+ else if (PageSwapCache(page))
+ cached++;
+ else if (PageSlab(page))
+ slab++;
+ else if (!page_count(page))
+ free++;
+ else
+ shared += page_count(page) - 1;
+ page++;
+#ifdef CONFIG_SPARSEMEM
+ pfn1++;
+ if (!(pfn1 % PAGES_PER_SECTION))
+ page = pfn_to_page(pfn1);
+ } while (pfn1 < pfn2);
+#else
+ } while (page < end);
+#endif
+ }
+
+ printk("%d pages of RAM\n", total);
+ printk("%d free pages\n", free);
+ printk("%d reserved pages\n", reserved);
+ printk("%d slab pages\n", slab);
+ printk("%d pages shared\n", shared);
+ printk("%d pages swap cached\n", cached);
+ printk("KGSL_ALLOC: %8lu kB\n", kgsl_alloc >> 10);
+ printk("ION_ALLOC: %8d kB\n", ion_alloc >> 10);
+}
+
+static void __init find_limits(unsigned long *min, unsigned long *max_low,
+ unsigned long *max_high)
+{
+ struct meminfo *mi = &meminfo;
+ int i;
+
+
+ *min = bank_pfn_start(&mi->bank[0]);
+ for_each_bank (i, mi)
+ if (mi->bank[i].highmem)
+ break;
+ *max_low = bank_pfn_end(&mi->bank[i - 1]);
+ *max_high = bank_pfn_end(&mi->bank[mi->nr_banks - 1]);
+}
+
+static void __init arm_bootmem_init(unsigned long start_pfn,
+ unsigned long end_pfn)
+{
+ struct memblock_region *reg;
+ unsigned int boot_pages;
+ phys_addr_t bitmap;
+ pg_data_t *pgdat;
+
+ boot_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
+ bitmap = memblock_alloc_base(boot_pages << PAGE_SHIFT, L1_CACHE_BYTES,
+ __pfn_to_phys(end_pfn));
+
+ node_set_online(0);
+ pgdat = NODE_DATA(0);
+ init_bootmem_node(pgdat, __phys_to_pfn(bitmap), start_pfn, end_pfn);
+
+
+ for_each_memblock(memory, reg) {
+ unsigned long start = memblock_region_memory_base_pfn(reg);
+ unsigned long end = memblock_region_memory_end_pfn(reg);
+
+ if (end >= end_pfn)
+ end = end_pfn;
+ if (start >= end)
+ break;
+
+ free_bootmem(__pfn_to_phys(start), (end - start) << PAGE_SHIFT);
+ }
+
+
+ for_each_memblock(reserved, reg) {
+ unsigned long start = memblock_region_reserved_base_pfn(reg);
+ unsigned long end = memblock_region_reserved_end_pfn(reg);
+
+ if (end >= end_pfn)
+ end = end_pfn;
+ if (start >= end)
+ break;
+
+ reserve_bootmem(__pfn_to_phys(start),
+ (end - start) << PAGE_SHIFT, BOOTMEM_DEFAULT);
+ }
+}
+
+#ifdef CONFIG_ZONE_DMA
+
+unsigned long arm_dma_zone_size __read_mostly;
+EXPORT_SYMBOL(arm_dma_zone_size);
+
+u32 arm_dma_limit;
+
+static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
+ unsigned long dma_size)
+{
+ if (size[0] <= dma_size)
+ return;
+
+ size[ZONE_NORMAL] = size[0] - dma_size;
+ size[ZONE_DMA] = dma_size;
+ hole[ZONE_NORMAL] = hole[0];
+ hole[ZONE_DMA] = 0;
+}
+#endif
+
+void __init setup_dma_zone(struct machine_desc *mdesc)
+{
+#ifdef CONFIG_ZONE_DMA
+ if (mdesc->dma_zone_size) {
+ arm_dma_zone_size = mdesc->dma_zone_size;
+ arm_dma_limit = PHYS_OFFSET + arm_dma_zone_size - 1;
+ } else
+ arm_dma_limit = 0xffffffff;
+#endif
+}
+
+#ifdef CONFIG_ARCH_POPULATES_NODE_MAP
+static void __init arm_bootmem_free_apnm(unsigned long max_low,
+ unsigned long max_high)
+{
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
+ struct memblock_region *reg;
+
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+
+ max_zone_pfns[0] = max_low;
+#ifdef CONFIG_HIGHMEM
+ max_zone_pfns[ZONE_HIGHMEM] = max_high;
+#endif
+ for_each_memblock(memory, reg) {
+ unsigned long start = memblock_region_memory_base_pfn(reg);
+ unsigned long end = memblock_region_memory_end_pfn(reg);
+
+ add_active_range(0, start, end);
+ }
+ free_area_init_nodes(max_zone_pfns);
+}
+
+#else
+static void __init arm_bootmem_free(unsigned long min, unsigned long max_low,
+ unsigned long max_high)
+{
+ unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
+ struct memblock_region *reg;
+
+ memset(zone_size, 0, sizeof(zone_size));
+
+ zone_size[0] = max_low - min;
+#ifdef CONFIG_HIGHMEM
+ zone_size[ZONE_HIGHMEM] = max_high - max_low;
+#endif
+
+ memcpy(zhole_size, zone_size, sizeof(zhole_size));
+ for_each_memblock(memory, reg) {
+ unsigned long start = memblock_region_memory_base_pfn(reg);
+ unsigned long end = memblock_region_memory_end_pfn(reg);
+
+ if (start < max_low) {
+ unsigned long low_end = min(end, max_low);
+ zhole_size[0] -= low_end - start;
+ }
+#ifdef CONFIG_HIGHMEM
+ if (end > max_low) {
+ unsigned long high_start = max(start, max_low);
+ zhole_size[ZONE_HIGHMEM] -= end - high_start;
+ }
+#endif
+ }
+
+#ifdef CONFIG_ZONE_DMA
+ if (arm_dma_zone_size)
+ arm_adjust_dma_zone(zone_size, zhole_size,
+ arm_dma_zone_size >> PAGE_SHIFT);
+#endif
+
+ free_area_init_node(0, zone_size, min, zhole_size);
+}
+#endif
+
+#ifdef CONFIG_HAVE_ARCH_PFN_VALID
+int pfn_valid(unsigned long pfn)
+{
+ return memblock_is_memory(__pfn_to_phys(pfn));
+}
+EXPORT_SYMBOL(pfn_valid);
+#endif
+
+#ifndef CONFIG_SPARSEMEM
+static void __init arm_memory_present(void)
+{
+}
+#else
+static void __init arm_memory_present(void)
+{
+ struct meminfo *mi = &meminfo;
+ int i;
+ for_each_bank(i, mi) {
+ memory_present(0, bank_pfn_start(&mi->bank[i]),
+ bank_pfn_end(&mi->bank[i]));
+ }
+}
+#endif
+
+static bool arm_memblock_steal_permitted = true;
+
+phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align)
+{
+ phys_addr_t phys;
+
+ BUG_ON(!arm_memblock_steal_permitted);
+
+ phys = memblock_alloc(size, align);
+ memblock_free(phys, size);
+ memblock_remove(phys, size);
+
+ return phys;
+}
+
+static int __init meminfo_cmp(const void *_a, const void *_b)
+{
+ const struct membank *a = _a, *b = _b;
+ long cmp = bank_pfn_start(a) - bank_pfn_start(b);
+ return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
+}
+
+#ifdef CONFIG_DONT_MAP_HOLE_AFTER_MEMBANK0
+unsigned long membank0_size;
+EXPORT_SYMBOL(membank0_size);
+unsigned long membank1_start;
+EXPORT_SYMBOL(membank1_start);
+
+void __init find_membank0_hole(void)
+{
+ sort(&meminfo.bank, meminfo.nr_banks,
+ sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
+
+ membank0_size = meminfo.bank[0].size;
+ membank1_start = meminfo.bank[1].start;
+}
+#endif
+
+void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
+{
+ int i;
+
+#ifndef CONFIG_DONT_MAP_HOLE_AFTER_MEMBANK0
+ sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
+#endif
+
+ for (i = 0; i < mi->nr_banks; i++)
+ memblock_add(mi->bank[i].start, mi->bank[i].size);
+
+
+#ifdef CONFIG_XIP_KERNEL
+ memblock_reserve(__pa(_sdata), _end - _sdata);
+#else
+ memblock_reserve(__pa(_stext), _end - _stext);
+#endif
+#ifdef CONFIG_BLK_DEV_INITRD
+ if (phys_initrd_size &&
+ !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
+ pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
+ phys_initrd_start, phys_initrd_size);
+ phys_initrd_start = phys_initrd_size = 0;
+ }
+ if (phys_initrd_size &&
+ memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
+ pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
+ phys_initrd_start, phys_initrd_size);
+ phys_initrd_start = phys_initrd_size = 0;
+ }
+ if (phys_initrd_size) {
+ memblock_reserve(phys_initrd_start, phys_initrd_size);
+
+
+ initrd_start = __phys_to_virt(phys_initrd_start);
+ initrd_end = initrd_start + phys_initrd_size;
+ }
+#endif
+
+ arm_mm_memblock_reserve();
+ arm_dt_memblock_reserve();
+
+
+ if (mdesc->reserve)
+ mdesc->reserve();
+
+ dma_contiguous_reserve(min(arm_dma_limit, arm_lowmem_limit));
+
+ arm_memblock_steal_permitted = false;
+ memblock_allow_resize();
+ memblock_dump_all();
+}
+
+#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
+int _early_pfn_valid(unsigned long pfn)
+{
+ struct meminfo *mi = &meminfo;
+ unsigned int left = 0, right = mi->nr_banks;
+
+ do {
+ unsigned int mid = (right + left) / 2;
+ struct membank *bank = &mi->bank[mid];
+
+ if (pfn < bank_pfn_start(bank))
+ right = mid;
+ else if (pfn >= bank_pfn_end(bank))
+ left = mid + 1;
+ else
+ return 1;
+ } while (left < right);
+ return 0;
+}
+EXPORT_SYMBOL(_early_pfn_valid);
+#endif
+
+void __init bootmem_init(void)
+{
+ unsigned long min, max_low, max_high;
+
+ max_low = max_high = 0;
+
+ find_limits(&min, &max_low, &max_high);
+
+ arm_bootmem_init(min, max_low);
+
+ arm_memory_present();
+
+ sparse_init();
+
+#ifdef CONFIG_ARCH_POPULATES_NODE_MAP
+ arm_bootmem_free_apnm(max_low, max_high);
+#else
+ arm_bootmem_free(min, max_low, max_high);
+#endif
+
+ max_low_pfn = max_low - PHYS_PFN_OFFSET;
+ max_pfn = max_high - PHYS_PFN_OFFSET;
+}
+
+static inline int free_area(unsigned long pfn, unsigned long end, char *s)
+{
+ unsigned int pages = 0, size = (end - pfn) << (PAGE_SHIFT - 10);
+
+ for (; pfn < end; pfn++) {
+ struct page *page = pfn_to_page(pfn);
+ ClearPageReserved(page);
+ init_page_count(page);
+ __free_page(page);
+ pages++;
+ }
+
+ if (size && s)
+ printk(KERN_INFO "Freeing %s memory: %dK\n", s, size);
+
+ return pages;
+}
+
+static inline void poison_init_mem(void *s, size_t count)
+{
+ u32 *p = (u32 *)s;
+ for (; count != 0; count -= 4)
+ *p++ = 0xe7fddef0;
+}
+
+static inline void
+free_memmap(unsigned long start_pfn, unsigned long end_pfn)
+{
+ struct page *start_pg, *end_pg;
+ unsigned long pg, pgend;
+
+ start_pg = pfn_to_page(start_pfn - 1) + 1;
+ end_pg = pfn_to_page(end_pfn - 1) + 1;
+
+ pg = (unsigned long)PAGE_ALIGN(__pa(start_pg));
+ pgend = (unsigned long)__pa(end_pg) & PAGE_MASK;
+
+ if (pg < pgend)
+ free_bootmem(pg, pgend - pg);
+}
+
+static void __init free_unused_memmap(struct meminfo *mi)
+{
+ unsigned long bank_start, prev_bank_end = 0;
+ unsigned int i;
+
+ for_each_bank(i, mi) {
+ struct membank *bank = &mi->bank[i];
+
+ bank_start = round_down(bank_pfn_start(bank),
+ MAX_ORDER_NR_PAGES);
+
+#ifdef CONFIG_SPARSEMEM
+ bank_start = min(bank_start,
+ ALIGN(prev_bank_end, PAGES_PER_SECTION));
+#else
+ bank_start = round_down(bank_start, MAX_ORDER_NR_PAGES);
+#endif
+ if (prev_bank_end && prev_bank_end < bank_start)
+ free_memmap(prev_bank_end, bank_start);
+
+ prev_bank_end = round_up(bank_pfn_end(bank),
+ MAX_ORDER_NR_PAGES);
+ }
+
+#ifdef CONFIG_SPARSEMEM
+ if (!IS_ALIGNED(prev_bank_end, PAGES_PER_SECTION))
+ free_memmap(prev_bank_end,
+ ALIGN(prev_bank_end, PAGES_PER_SECTION));
+#endif
+}
+
+static void __init free_highpages(void)
+{
+#ifdef CONFIG_HIGHMEM
+ unsigned long max_low = max_low_pfn + PHYS_PFN_OFFSET;
+ struct memblock_region *mem, *res;
+
+
+ for_each_memblock(memory, mem) {
+ unsigned long start = memblock_region_memory_base_pfn(mem);
+ unsigned long end = memblock_region_memory_end_pfn(mem);
+
+
+ if (end <= max_low)
+ continue;
+
+
+ if (start < max_low)
+ start = max_low;
+
+
+ for_each_memblock(reserved, res) {
+ unsigned long res_start, res_end;
+
+ res_start = memblock_region_reserved_base_pfn(res);
+ res_end = memblock_region_reserved_end_pfn(res);
+
+ if (res_end < start)
+ continue;
+ if (res_start < start)
+ res_start = start;
+ if (res_start > end)
+ res_start = end;
+ if (res_end > end)
+ res_end = end;
+ if (res_start != start)
+ totalhigh_pages += free_area(start, res_start,
+ NULL);
+ start = res_end;
+ if (start == end)
+ break;
+ }
+
+
+ if (start < end)
+ totalhigh_pages += free_area(start, end, NULL);
+ }
+ totalram_pages += totalhigh_pages;
+#endif
+}
+
+void __init mem_init(void)
+{
+ unsigned long reserved_pages, free_pages;
+ struct memblock_region *reg;
+ int i;
+#ifdef CONFIG_HAVE_TCM
+
+ extern u32 dtcm_end;
+ extern u32 itcm_end;
+#endif
+#ifdef CONFIG_FIX_MOVABLE_ZONE
+ struct zone *zone;
+#endif
+
+ max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;
+
+
+ free_unused_memmap(&meminfo);
+
+ totalram_pages += free_all_bootmem();
+
+#ifdef CONFIG_SA1111
+
+ totalram_pages += free_area(PHYS_PFN_OFFSET,
+ __phys_to_pfn(__pa(swapper_pg_dir)), NULL);
+#endif
+
+ free_highpages();
+
+ reserved_pages = free_pages = 0;
+
+ for_each_bank(i, &meminfo) {
+ struct membank *bank = &meminfo.bank[i];
+ unsigned int pfn1, pfn2;
+ struct page *page, *end;
+
+ pfn1 = bank_pfn_start(bank);
+ pfn2 = bank_pfn_end(bank);
+
+ page = pfn_to_page(pfn1);
+ end = pfn_to_page(pfn2 - 1) + 1;
+
+ do {
+ if (PageReserved(page))
+ reserved_pages++;
+ else if (!page_count(page))
+ free_pages++;
+ page++;
+#ifdef CONFIG_SPARSEMEM
+ pfn1++;
+ if (!(pfn1 % PAGES_PER_SECTION))
+ page = pfn_to_page(pfn1);
+ } while (pfn1 < pfn2);
+#else
+ } while (page < end);
+#endif
+ }
+
+#ifdef CONFIG_FIX_MOVABLE_ZONE
+ for_each_zone(zone) {
+ if (zone_idx(zone) == ZONE_MOVABLE)
+ total_unmovable_pages = totalram_pages -
+ zone->spanned_pages;
+ }
+#endif
+
+ printk(KERN_INFO "Memory:");
+ num_physpages = 0;
+ for_each_memblock(memory, reg) {
+ unsigned long pages = memblock_region_memory_end_pfn(reg) -
+ memblock_region_memory_base_pfn(reg);
+ num_physpages += pages;
+ printk(" %ldMB", pages >> (20 - PAGE_SHIFT));
+ }
+ printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT));
+
+ printk(KERN_NOTICE "Memory: %luk/%luk available, %luk reserved, %luK highmem\n",
+ nr_free_pages() << (PAGE_SHIFT-10),
+ free_pages << (PAGE_SHIFT-10),
+ reserved_pages << (PAGE_SHIFT-10),
+ totalhigh_pages << (PAGE_SHIFT-10));
+
+#define MLK(b, t) b, t, ((t) - (b)) >> 10
+#define MLM(b, t) b, t, ((t) - (b)) >> 20
+#define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K)
+
+ printk(KERN_NOTICE "Virtual kernel memory layout:\n"
+ " vector : 0x%08lx - 0x%08lx (%4ld kB)\n"
+#ifdef CONFIG_HAVE_TCM
+ " DTCM : 0x%08lx - 0x%08lx (%4ld kB)\n"
+ " ITCM : 0x%08lx - 0x%08lx (%4ld kB)\n"
+#endif
+ " fixmap : 0x%08lx - 0x%08lx (%4ld kB)\n"
+ " vmalloc : 0x%08lx - 0x%08lx (%4ld MB)\n"
+ " lowmem : 0x%08lx - 0x%08lx (%4ld MB)\n"
+#ifdef CONFIG_HIGHMEM
+ " pkmap : 0x%08lx - 0x%08lx (%4ld MB)\n"
+#endif
+#ifdef CONFIG_MODULES
+ " modules : 0x%08lx - 0x%08lx (%4ld MB)\n"
+#endif
+ " .text : 0x%p" " - 0x%p" " (%4d kB)\n"
+ " .init : 0x%p" " - 0x%p" " (%4d kB)\n"
+ " .data : 0x%p" " - 0x%p" " (%4d kB)\n"
+ " .bss : 0x%p" " - 0x%p" " (%4d kB)\n",
+
+ MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
+ (PAGE_SIZE)),
+#ifdef CONFIG_HAVE_TCM
+ MLK(DTCM_OFFSET, (unsigned long) dtcm_end),
+ MLK(ITCM_OFFSET, (unsigned long) itcm_end),
+#endif
+ MLK(FIXADDR_START, FIXADDR_TOP),
+ MLM(VMALLOC_START, VMALLOC_END),
+ MLM(PAGE_OFFSET, (unsigned long)high_memory),
+#ifdef CONFIG_HIGHMEM
+ MLM(PKMAP_BASE, (PKMAP_BASE) + (LAST_PKMAP) *
+ (PAGE_SIZE)),
+#endif
+#ifdef CONFIG_MODULES
+ MLM(MODULES_VADDR, MODULES_END),
+#endif
+
+ MLK_ROUNDUP(_text, _etext),
+ MLK_ROUNDUP(__init_begin, __init_end),
+ MLK_ROUNDUP(_sdata, _edata),
+ MLK_ROUNDUP(__bss_start, __bss_stop));
+
+#undef MLK
+#undef MLM
+#undef MLK_ROUNDUP
+
+#ifdef CONFIG_MMU
+ BUILD_BUG_ON(TASK_SIZE > MODULES_VADDR);
+ BUG_ON(TASK_SIZE > MODULES_VADDR);
+#endif
+
+#ifdef CONFIG_HIGHMEM
+ BUILD_BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET);
+ BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET);
+#endif
+
+ if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
+ extern int sysctl_overcommit_memory;
+ sysctl_overcommit_memory = OVERCOMMIT_ALWAYS;
+ }
+}
+
+void free_initmem(void)
+{
+ unsigned long reclaimed_initmem;
+#ifdef CONFIG_HAVE_TCM
+ extern char __tcm_start, __tcm_end;
+
+ poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start);
+ totalram_pages += free_area(__phys_to_pfn(__pa(&__tcm_start)),
+ __phys_to_pfn(__pa(&__tcm_end)),
+ "TCM link");
+#endif
+
+ poison_init_mem(__init_begin, __init_end - __init_begin);
+ if (!machine_is_integrator() && !machine_is_cintegrator()) {
+ reclaimed_initmem = free_area(__phys_to_pfn(__pa(__init_begin)),
+ __phys_to_pfn(__pa(__init_end)),
+ "init");
+ totalram_pages += reclaimed_initmem;
+#ifdef CONFIG_FIX_MOVABLE_ZONE
+ total_unmovable_pages += reclaimed_initmem;
+#endif
+ }
+}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+int arch_add_memory(int nid, u64 start, u64 size)
+{
+ struct pglist_data *pgdata = NODE_DATA(nid);
+ struct zone *zone = pgdata->node_zones + ZONE_MOVABLE;
+ unsigned long start_pfn = start >> PAGE_SHIFT;
+ unsigned long nr_pages = size >> PAGE_SHIFT;
+
+ return __add_pages(nid, zone, start_pfn, nr_pages);
+}
+
+int arch_physical_active_memory(u64 start, u64 size)
+{
+ return platform_physical_active_pages(start, size);
+}
+
+int arch_physical_remove_memory(u64 start, u64 size)
+{
+ return platform_physical_remove_pages(start, size);
+}
+
+int arch_physical_low_power_memory(u64 start, u64 size)
+{
+ return platform_physical_low_power_pages(start, size);
+}
+#endif
+
+#ifdef CONFIG_BLK_DEV_INITRD
+
+static int keep_initrd;
+
+void free_initrd_mem(unsigned long start, unsigned long end)
+{
+ unsigned long reclaimed_initrd_mem;
+
+ if (!keep_initrd) {
+ poison_init_mem((void *)start, PAGE_ALIGN(end) - start);
+ reclaimed_initrd_mem = free_area(__phys_to_pfn(__pa(start)),
+ __phys_to_pfn(__pa(end)),
+ "initrd");
+ totalram_pages += reclaimed_initrd_mem;
+#ifdef CONFIG_FIX_MOVABLE_ZONE
+ total_unmovable_pages += reclaimed_initrd_mem;
+#endif
+ }
+}
+
+static int __init keepinitrd_setup(char *__unused)
+{
+ keep_initrd = 1;
+ return 1;
+}
+
+__setup("keepinitrd", keepinitrd_setup);
+#endif
+
+#ifdef CONFIG_MSM_KRAIT_WFE_FIXUP
+static int __init msm_krait_wfe_init(void)
+{
+ unsigned int val, midr;
+ midr = read_cpuid_id() & 0xffffff00;
+ if ((midr == 0x511f0400) || (midr == 0x510f0600)) {
+ asm volatile("mrc p15, 7, %0, c15, c0, 5" : "=r" (val));
+ msm_krait_need_wfe_fixup = (val & 0x10000) ? 1 : 0;
+ }
+ return 0;
+}
+pure_initcall(msm_krait_wfe_init);
+#endif