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| author | Kumar Gala <galak@kernel.crashing.org> | 2008-11-19 12:50:04 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-03 20:46:35 +1100 |
| commit | 0186f47e703fb7aa14b54459d642ef5374b3a685 (patch) | |
| tree | 5af0bc2bf92b9ef7edf79aab989387de4d8ffaaf /arch/powerpc/include/asm/pgalloc-32.h | |
| parent | df3b8611554e389e703fa753540289874fa5126c (diff) | |
| download | kernel_samsung_smdk4412-0186f47e703fb7aa14b54459d642ef5374b3a685.zip kernel_samsung_smdk4412-0186f47e703fb7aa14b54459d642ef5374b3a685.tar.gz kernel_samsung_smdk4412-0186f47e703fb7aa14b54459d642ef5374b3a685.tar.bz2 | |
powerpc: Use RCU based pte freeing mechanism for all powerpc
Refactor the RCU based pte free code that was used on ppc64 to be used
on all powerpc.
Additionally refactor pte_free() & pte_free_kernel() into common code
between ppc32 & ppc64.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/include/asm/pgalloc-32.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgalloc-32.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h index 58c0714..0815eb4 100644 --- a/arch/powerpc/include/asm/pgalloc-32.h +++ b/arch/powerpc/include/asm/pgalloc-32.h @@ -3,6 +3,8 @@ #include <linux/threads.h> +#define PTE_NONCACHE_NUM 0 /* dummy for now to share code w/ppc64 */ + extern void __bad_pte(pmd_t *pmd); extern pgd_t *pgd_alloc(struct mm_struct *mm); @@ -33,10 +35,13 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr); -extern void pte_free_kernel(struct mm_struct *mm, pte_t *pte); -extern void pte_free(struct mm_struct *mm, pgtable_t pte); -#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) +static inline void pgtable_free(pgtable_free_t pgf) +{ + void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); + + free_page((unsigned long)p); +} #define check_pgt_cache() do { } while (0) |