diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-12-12 20:14:55 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 20:27:08 +0300 |
| commit | 9de455b20705f36384a711d4a20bcf7ba1ab180b (patch) | |
| tree | 6eb3643514d12d06a69a5c889d612f66b68288e6 /mm/hugetlb.c | |
| parent | 77fff4ae2b7bba6d66a8287d9ab948e2b6c16145 (diff) | |
| download | linux-9de455b20705f36384a711d4a20bcf7ba1ab180b.tar.xz | |
[PATCH] Pass vma argument to copy_user_highpage().
To allow a more effective copy_user_highpage() on certain architectures,
a vma argument is added to the function and cow_user_page() allowing
the implementation of these functions to check for the VM_EXEC bit.
The main part of this patch was originally written by Ralf Baechle;
Atushi Nemoto did the the debugging.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 089092d152ab..cb362f761f17 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -44,14 +44,14 @@ static void clear_huge_page(struct page *page, unsigned long addr) } static void copy_huge_page(struct page *dst, struct page *src, - unsigned long addr) + unsigned long addr, struct vm_area_struct *vma) { int i; might_sleep(); for (i = 0; i < HPAGE_SIZE/PAGE_SIZE; i++) { cond_resched(); - copy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE); + copy_user_highpage(dst + i, src + i, addr + i*PAGE_SIZE, vma); } } @@ -442,7 +442,7 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, } spin_unlock(&mm->page_table_lock); - copy_huge_page(new_page, old_page, address); + copy_huge_page(new_page, old_page, address, vma); spin_lock(&mm->page_table_lock); ptep = huge_pte_offset(mm, address & HPAGE_MASK); |