diff options
| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-04-28 09:37:32 +0000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-04-30 16:00:04 +1000 |
| commit | d614bb041209fd7cb5e4b35e11a7b2f6ee8f62b8 (patch) | |
| tree | f3ec5a71345b507db2b8c8d461c869741d015514 /arch/powerpc/include/asm/pgalloc.h | |
| parent | powerpc: Reduce the PTE_INDEX_SIZE (diff) | |
| download | linux-dev-d614bb041209fd7cb5e4b35e11a7b2f6ee8f62b8.tar.xz linux-dev-d614bb041209fd7cb5e4b35e11a7b2f6ee8f62b8.zip | |
powerpc: Move the pte free routines from common header
Acked-by: Paul Mackerras <paulus@samba.org>
This patch moves the common code to 32/64 bit headers and also duplicate
4K_PAGES and 64K_PAGES section. We will later change the 64 bit 64K_PAGES
version to support smaller PTE fragments. The patch doesn't introduce
any functional changes.
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pgalloc.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgalloc.h | 46 |
1 files changed, 1 insertions, 45 deletions
diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index bf301ac62f35..e9a9f60e596d 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -3,6 +3,7 @@ #ifdef __KERNEL__ #include <linux/mm.h> +#include <asm-generic/tlb.h> #ifdef CONFIG_PPC_BOOK3E extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address); @@ -13,56 +14,11 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, } #endif /* !CONFIG_PPC_BOOK3E */ -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) -{ - pgtable_page_dtor(ptepage); - __free_page(ptepage); -} - #ifdef CONFIG_PPC64 #include <asm/pgalloc-64.h> #else #include <asm/pgalloc-32.h> #endif -#ifdef CONFIG_SMP -struct mmu_gather; -extern void tlb_remove_table(struct mmu_gather *, void *); - -static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) -{ - unsigned long pgf = (unsigned long)table; - BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); - pgf |= shift; - tlb_remove_table(tlb, (void *)pgf); -} - -static inline void __tlb_remove_table(void *_table) -{ - void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); - unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; - - pgtable_free(table, shift); -} -#else /* CONFIG_SMP */ -static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) -{ - pgtable_free(table, shift); -} -#endif /* !CONFIG_SMP */ - -static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, - unsigned long address) -{ - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(ptepage); - pgtable_free_tlb(tlb, page_address(ptepage), 0); -} - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PGALLOC_H */ |