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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:56:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:56:01 -0700 |
| commit | aabded9c3aab5160ae2ca3dd1fa0fa37f3d510e4 (patch) | |
| tree | 8544d546735bcb975b8dec296eb9b6dc6531fb2a /include/asm-powerpc/pgalloc-64.h | |
| parent | 9a9136e270af14da506f66bcafcc506b86a86498 (diff) | |
| parent | f1a1eb299a8422c3e8d41753095bec44b2493398 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Further fixes for the removal of 4level-fixup hack from ppc32
[POWERPC] EEH: log all PCI-X and PCI-E AER registers
[POWERPC] EEH: capture and log pci state on error
[POWERPC] EEH: Split up long error msg
[POWERPC] EEH: log error only after driver notification.
[POWERPC] fsl_soc: Make mac_addr const in fs_enet_of_init().
[POWERPC] Don't use SLAB/SLUB for PTE pages
[POWERPC] Spufs support for 64K LS mappings on 4K kernels
[POWERPC] Add ability to 4K kernel to hash in 64K pages
[POWERPC] Introduce address space "slices"
[POWERPC] Small fixes & cleanups in segment page size demotion
[POWERPC] iSeries: Make HVC_ISERIES the default
[POWERPC] iSeries: suppress build warning in lparmap.c
[POWERPC] Mark pages that don't exist as nosave
[POWERPC] swsusp: Introduce register_nosave_region_late
Diffstat (limited to 'include/asm-powerpc/pgalloc-64.h')
| -rw-r--r-- | include/asm-powerpc/pgalloc-64.h | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/include/asm-powerpc/pgalloc-64.h b/include/asm-powerpc/pgalloc-64.h index 30b50cf56e2..d9a3a8ca58a 100644 --- a/include/asm-powerpc/pgalloc-64.h +++ b/include/asm-powerpc/pgalloc-64.h @@ -14,18 +14,11 @@ extern struct kmem_cache *pgtable_cache[]; -#ifdef CONFIG_PPC_64K_PAGES -#define PTE_CACHE_NUM 0 -#define PMD_CACHE_NUM 1 -#define PGD_CACHE_NUM 2 -#define HUGEPTE_CACHE_NUM 3 -#else -#define PTE_CACHE_NUM 0 -#define PMD_CACHE_NUM 1 -#define PUD_CACHE_NUM 1 -#define PGD_CACHE_NUM 0 -#define HUGEPTE_CACHE_NUM 2 -#endif +#define PGD_CACHE_NUM 0 +#define PUD_CACHE_NUM 1 +#define PMD_CACHE_NUM 1 +#define HUGEPTE_CACHE_NUM 2 +#define PTE_NONCACHE_NUM 3 /* from GFP rather than kmem_cache */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { @@ -91,8 +84,7 @@ static inline void pmd_free(pmd_t *pmd) static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - return kmem_cache_alloc(pgtable_cache[PTE_CACHE_NUM], - GFP_KERNEL|__GFP_REPEAT); + return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); } static inline struct page *pte_alloc_one(struct mm_struct *mm, @@ -103,12 +95,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, static inline void pte_free_kernel(pte_t *pte) { - kmem_cache_free(pgtable_cache[PTE_CACHE_NUM], pte); + free_page((unsigned long)pte); } static inline void pte_free(struct page *ptepage) { - pte_free_kernel(page_address(ptepage)); + __free_page(ptepage); } #define PGF_CACHENUM_MASK 0x3 @@ -130,14 +122,17 @@ static inline void pgtable_free(pgtable_free_t pgf) void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); int cachenum = pgf.val & PGF_CACHENUM_MASK; - kmem_cache_free(pgtable_cache[cachenum], p); + if (cachenum == PTE_NONCACHE_NUM) + free_page((unsigned long)p); + else + kmem_cache_free(pgtable_cache[cachenum], p); } extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); #define __pte_free_tlb(tlb, ptepage) \ pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \ - PTE_CACHE_NUM, PTE_TABLE_SIZE-1)) + PTE_NONCACHE_NUM, PTE_TABLE_SIZE-1)) #define __pmd_free_tlb(tlb, pmd) \ pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) |