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author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 22:47:26 +0400 |
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committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 22:47:26 +0400 |
commit | f0cd91a68acdc9b49d7f6738b514a426da627649 (patch) | |
tree | 8ad73564015794197583b094217ae0a71e71e753 /include/asm-sparc64/pgtable.h | |
parent | 60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff) | |
parent | 128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff) | |
download | linux-f0cd91a68acdc9b49d7f6738b514a426da627649.tar.xz |
Merge ../linux-2.6
Diffstat (limited to 'include/asm-sparc64/pgtable.h')
-rw-r--r-- | include/asm-sparc64/pgtable.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h index c44e7466534e..cd464f469a2c 100644 --- a/include/asm-sparc64/pgtable.h +++ b/include/asm-sparc64/pgtable.h @@ -689,6 +689,23 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p #define pte_clear(mm,addr,ptep) \ set_pte_at((mm), (addr), (ptep), __pte(0UL)) +#ifdef DCACHE_ALIASING_POSSIBLE +#define __HAVE_ARCH_MOVE_PTE +#define move_pte(pte, prot, old_addr, new_addr) \ +({ \ + pte_t newpte = (pte); \ + if (tlb_type != hypervisor && pte_present(pte)) { \ + unsigned long this_pfn = pte_pfn(pte); \ + \ + if (pfn_valid(this_pfn) && \ + (((old_addr) ^ (new_addr)) & (1 << 13))) \ + flush_dcache_page_all(current->mm, \ + pfn_to_page(this_pfn)); \ + } \ + newpte; \ +}) +#endif + extern pgd_t swapper_pg_dir[2048]; extern pmd_t swapper_low_pmd_dir[2048]; |