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authorDavid Woodhouse <dwmw2@infradead.org>2007-01-18 02:34:51 +0300
committerDavid Woodhouse <dwmw2@infradead.org>2007-01-18 02:34:51 +0300
commit9cdf083f981b8d37b3212400a359368661385099 (patch)
treeaa15a6a08ad87e650dea40fb59b3180bef0d345b /arch/i386/mm/pgtable.c
parente499e01d234a31d59679b7b1e1cf628d917ba49a (diff)
parenta8b3485287731978899ced11f24628c927890e78 (diff)
downloadlinux-9cdf083f981b8d37b3212400a359368661385099.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/i386/mm/pgtable.c')
-rw-r--r--arch/i386/mm/pgtable.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/i386/mm/pgtable.c b/arch/i386/mm/pgtable.c
index 10126e3f8174..f349eaf450b0 100644
--- a/arch/i386/mm/pgtable.c
+++ b/arch/i386/mm/pgtable.c
@@ -95,8 +95,11 @@ static void set_pte_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
return;
}
pte = pte_offset_kernel(pmd, vaddr);
- /* <pfn,flags> stored as-is, to permit clearing entries */
- set_pte(pte, pfn_pte(pfn, flags));
+ if (pgprot_val(flags))
+ /* <pfn,flags> stored as-is, to permit clearing entries */
+ set_pte(pte, pfn_pte(pfn, flags));
+ else
+ pte_clear(&init_mm, vaddr, pte);
/*
* It's enough to flush this one mapping.
@@ -193,7 +196,7 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
return pte;
}
-void pmd_ctor(void *pmd, kmem_cache_t *cache, unsigned long flags)
+void pmd_ctor(void *pmd, struct kmem_cache *cache, unsigned long flags)
{
memset(pmd, 0, PTRS_PER_PMD*sizeof(pmd_t));
}
@@ -233,7 +236,7 @@ static inline void pgd_list_del(pgd_t *pgd)
set_page_private(next, (unsigned long)pprev);
}
-void pgd_ctor(void *pgd, kmem_cache_t *cache, unsigned long unused)
+void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused)
{
unsigned long flags;
@@ -253,7 +256,7 @@ void pgd_ctor(void *pgd, kmem_cache_t *cache, unsigned long unused)
}
/* never called when PTRS_PER_PMD > 1 */
-void pgd_dtor(void *pgd, kmem_cache_t *cache, unsigned long unused)
+void pgd_dtor(void *pgd, struct kmem_cache *cache, unsigned long unused)
{
unsigned long flags; /* can be called from interrupt context */