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| author | David Miller <davem@davemloft.net> | 2007-05-06 23:49:51 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 21:12:54 +0200 |
| commit | 3a2cba993b0a04f258ab75e15cf3f08ada268dbd (patch) | |
| tree | 7f20f6cad40c1efe18dcf5eadfb8abbc3353f9aa /include/asm-sparc64/pgalloc.h | |
| parent | Quicklists for page table pages (diff) | |
| download | linux-3a2cba993b0a04f258ab75e15cf3f08ada268dbd.tar.xz linux-3a2cba993b0a04f258ab75e15cf3f08ada268dbd.zip | |
Quicklist support for sparc64
I ported this to sparc64 as per the patch below, tested on UP SunBlade1500 and
24 cpu Niagara T1000.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <ak@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-sparc64/pgalloc.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/include/asm-sparc64/pgalloc.h b/include/asm-sparc64/pgalloc.h index 5891ff7ba760..5d66b858a965 100644 --- a/include/asm-sparc64/pgalloc.h +++ b/include/asm-sparc64/pgalloc.h @@ -6,6 +6,7 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/slab.h> +#include <linux/quicklist.h> #include <asm/spitfire.h> #include <asm/cpudata.h> @@ -13,52 +14,50 @@ #include <asm/page.h> /* Page table allocation/freeing. */ -extern struct kmem_cache *pgtable_cache; static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return kmem_cache_alloc(pgtable_cache, GFP_KERNEL); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline void pgd_free(pgd_t *pgd) { - kmem_cache_free(pgtable_cache, pgd); + quicklist_free(0, NULL, pgd); } #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache, - GFP_KERNEL|__GFP_REPEAT); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline void pmd_free(pmd_t *pmd) { - kmem_cache_free(pgtable_cache, pmd); + quicklist_free(0, NULL, pmd); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - return kmem_cache_alloc(pgtable_cache, - GFP_KERNEL|__GFP_REPEAT); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) { - return virt_to_page(pte_alloc_one_kernel(mm, address)); + void *pg = quicklist_alloc(0, GFP_KERNEL, NULL); + return pg ? virt_to_page(pg) : NULL; } static inline void pte_free_kernel(pte_t *pte) { - kmem_cache_free(pgtable_cache, pte); + quicklist_free(0, NULL, pte); } static inline void pte_free(struct page *ptepage) { - pte_free_kernel(page_address(ptepage)); + quicklist_free_page(0, NULL, ptepage); } @@ -66,6 +65,9 @@ static inline void pte_free(struct page *ptepage) #define pmd_populate(MM,PMD,PTE_PAGE) \ pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) -#define check_pgt_cache() do { } while (0) +static inline void check_pgt_cache(void) +{ + quicklist_trim(0, NULL, 25, 16); +} #endif /* _SPARC64_PGALLOC_H */ |