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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-02 09:28:35 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-02 09:28:35 +1100
commit5a7b4193e564d1611ecf1cd859aed60d5612d78f (patch)
tree8831669121df3d50845718b848d7c6e4bc51be26 /arch/powerpc/include/asm/pgalloc-64.h
parent86f9e097f340fd0fbd37afe92bd5453f5a84cbca (diff)
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>
Diffstat (limited to 'arch/powerpc/include/asm/pgalloc-64.h')
-rw-r--r--arch/powerpc/include/asm/pgalloc-64.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
index 605f5c5398d..5c1cd73dafa 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 pgd_t *pgd_alloc(struct mm_struct *mm)
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);
}