Messages in this thread Patch in this message | | | Date | Thu, 10 Nov 2005 01:50:10 +0000 (GMT) | From | Hugh Dickins <> | Subject | [PATCH 06/15] mm: remove ppc highpte |
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ppc's HIGHPTE config option was removed in 2.5.28, and nobody seems to have wanted it enough to restore it: so remove its traces from pgtable.h and pte_alloc_one. Or supply an alternative patch to config it back?
Signed-off-by: Hugh Dickins <hugh@veritas.com> ---
arch/ppc/mm/pgtable.c | 13 +------------ include/asm-ppc/pgtable.h | 10 ++++------ 2 files changed, 5 insertions(+), 18 deletions(-)
--- mm05/arch/ppc/mm/pgtable.c 2005-11-07 07:39:08.000000000 +0000 +++ mm06/arch/ppc/mm/pgtable.c 2005-11-09 14:39:02.000000000 +0000 @@ -111,18 +111,7 @@ pte_t *pte_alloc_one_kernel(struct mm_st struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) { - struct page *ptepage; - -#ifdef CONFIG_HIGHPTE - gfp_t flags = GFP_KERNEL | __GFP_HIGHMEM | __GFP_REPEAT; -#else - gfp_t flags = GFP_KERNEL | __GFP_REPEAT; -#endif - - ptepage = alloc_pages(flags, 0); - if (ptepage) - clear_highpage(ptepage); - return ptepage; + return alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); } void pte_free_kernel(pte_t *pte) --- mm05/include/asm-ppc/pgtable.h 2005-11-07 07:39:55.000000000 +0000 +++ mm06/include/asm-ppc/pgtable.h 2005-11-09 14:39:02.000000000 +0000 @@ -750,13 +750,11 @@ static inline pmd_t * pmd_offset(pgd_t * (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) #define pte_offset_kernel(dir, addr) \ ((pte_t *) pmd_page_kernel(*(dir)) + pte_index(addr)) -#define pte_offset_map(dir, addr) \ - ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr)) -#define pte_offset_map_nested(dir, addr) \ - ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr)) -#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) -#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) +#define pte_offset_map(dir,addr) pte_offset_kernel(dir,addr) +#define pte_offset_map_nested(dir,addr) pte_offset_kernel(dir,addr) +#define pte_unmap(pte) do { } while(0) +#define pte_unmap_nested(pte) do { } while(0) extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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