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yaml
---
r: 37736
b: refs/heads/master
c: 25e4df5
h: refs/heads/master
v: v3
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Zachary Amsden authored and Linus Torvalds committed Oct 1, 2006
1 parent 665a004 commit 16be8bb
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Showing 2 changed files with 29 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6606c3e0da5360799e07ae24b05080cc85c68e72
refs/heads/master: 25e4df5bae333a06cd2c9b88baf14432652dc9f7
41 changes: 28 additions & 13 deletions trunk/include/asm-i386/pgtable.h
Original file line number Diff line number Diff line change
Expand Up @@ -262,21 +262,36 @@ do { \
} \
} while (0)

/*
* We don't actually have these, but we want to advertise them so that
* we can encompass the flush here.
*/
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
{
if (!pte_dirty(*ptep))
return 0;
return test_and_clear_bit(_PAGE_BIT_DIRTY, &ptep->pte_low);
}

#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
{
if (!pte_young(*ptep))
return 0;
return test_and_clear_bit(_PAGE_BIT_ACCESSED, &ptep->pte_low);
}

#define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH
#define ptep_clear_flush_dirty(vma, address, ptep) \
({ \
int __dirty; \
__dirty = pte_dirty(*(ptep)); \
if (__dirty) { \
clear_bit(_PAGE_BIT_DIRTY, &(ptep)->pte_low); \
flush_tlb_page(vma, address); \
} \
__dirty; \
})

#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
#define ptep_clear_flush_young(vma, address, ptep) \
({ \
int __young; \
__young = pte_young(*(ptep)); \
if (__young) { \
clear_bit(_PAGE_BIT_ACCESSED, &(ptep)->pte_low); \
flush_tlb_page(vma, address); \
} \
__young; \
})

#define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL
static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long addr, pte_t *ptep, int full)
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