diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2005-11-09 22:53:16 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-11-09 23:03:29 -0500 |
| commit | 87655ff26817993932b7d049c4df226fb2c0ac5f (patch) | |
| tree | 800631fd3ac350595e5be00bd464bf91cd8e9c32 /include | |
| parent | e1449ed956ae29129bde3e5137dde1d579d585ff (diff) | |
[PATCH] powerpc: 64k pages pmd alloc fix
This patch makes the kernel use a different kmem cache for PMD pages
as they are smaller than PTE pages. Avoids waste of memory.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc64/pgalloc.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-ppc64/pgalloc.h b/include/asm-ppc64/pgalloc.h index 98da0e4262bd..dcf3622d1946 100644 --- a/include/asm-ppc64/pgalloc.h +++ b/include/asm-ppc64/pgalloc.h | |||
| @@ -10,8 +10,8 @@ extern kmem_cache_t *pgtable_cache[]; | |||
| 10 | 10 | ||
| 11 | #ifdef CONFIG_PPC_64K_PAGES | 11 | #ifdef CONFIG_PPC_64K_PAGES |
| 12 | #define PTE_CACHE_NUM 0 | 12 | #define PTE_CACHE_NUM 0 |
| 13 | #define PMD_CACHE_NUM 0 | 13 | #define PMD_CACHE_NUM 1 |
| 14 | #define PGD_CACHE_NUM 1 | 14 | #define PGD_CACHE_NUM 2 |
| 15 | #else | 15 | #else |
| 16 | #define PTE_CACHE_NUM 0 | 16 | #define PTE_CACHE_NUM 0 |
| 17 | #define PMD_CACHE_NUM 1 | 17 | #define PMD_CACHE_NUM 1 |