| Paul Mundt | c993487 | 2010-10-15 02:09:00 +0900 | [diff] [blame] | 1 | /* |
| 2 | * SRAM pool for tiny memories not otherwise managed. |
| 3 | * |
| 4 | * Copyright (C) 2010 Paul Mundt |
| 5 | * |
| 6 | * This file is subject to the terms and conditions of the GNU General Public |
| 7 | * License. See the file "COPYING" in the main directory of this archive |
| 8 | * for more details. |
| 9 | */ |
| 10 | #include <linux/init.h> |
| 11 | #include <linux/kernel.h> |
| Paul Mundt | f03c486 | 2012-03-30 19:29:57 +0900 | [diff] [blame] | 12 | #include <linux/errno.h> |
| Paul Mundt | c993487 | 2010-10-15 02:09:00 +0900 | [diff] [blame] | 13 | #include <asm/sram.h> |
| 14 | |
| 15 | /* |
| 16 | * This provides a standard SRAM pool for tiny memories that can be |
| 17 | * added either by the CPU or the platform code. Typical SRAM sizes |
| 18 | * to be inserted in to the pool will generally be less than the page |
| 19 | * size, with anything more reasonably sized handled as a NUMA memory |
| 20 | * node. |
| 21 | */ |
| 22 | struct gen_pool *sram_pool; |
| 23 | |
| 24 | static int __init sram_pool_init(void) |
| 25 | { |
| 26 | /* |
| 27 | * This is a global pool, we don't care about node locality. |
| 28 | */ |
| 29 | sram_pool = gen_pool_create(1, -1); |
| 30 | if (unlikely(!sram_pool)) |
| 31 | return -ENOMEM; |
| 32 | |
| 33 | return 0; |
| 34 | } |
| 35 | core_initcall(sram_pool_init); |