Revert "powerpc/mm: Fix bug in pagetable cache cleanup with CONFIG_PPC_SUBPAGE_PROT"
This reverts commit c045256d146800ea1d741a8e9e377dada6b7e195.
It breaks build when CONFIG_PPC_SUBPAGE_PROT is not set. I will
commit a fixed version separately
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
index 605f5c5..5c1cd73 100644
--- a/arch/powerpc/include/asm/pgalloc-64.h
+++ b/arch/powerpc/include/asm/pgalloc-64.h
@@ -28,6 +28,10 @@
*/
#define MAX_PGTABLE_INDEX_SIZE 0xf
+#ifndef CONFIG_PPC_SUBPAGE_PROT
+static inline void subpage_prot_free(pgd_t *pgd) {}
+#endif
+
extern struct kmem_cache *pgtable_cache[];
#define PGT_CACHE(shift) (pgtable_cache[(shift)-1])
@@ -38,6 +42,7 @@
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
+ subpage_prot_free(pgd);
kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd);
}