diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-07-27 01:25:29 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-27 02:19:19 +0300 |
| commit | 1010245964415bb7403463115bab2cd26244b445 (patch) | |
| tree | 0bb07c499e1816334dd405ea9f82381223c7479a /mm/migrate.c | |
| parent | dd78fedde4b99b322f2dc849d467d365a82e23ca (diff) | |
| download | linux-1010245964415bb7403463115bab2cd26244b445.tar.xz | |
mm: introduce do_set_pmd()
With postponed page table allocation we have chance to setup huge pages.
do_set_pte() calls do_set_pmd() if following criteria met:
- page is compound;
- pmd entry in pmd_none();
- vma has suitable size and alignment;
Link: http://lkml.kernel.org/r/1466021202-61880-12-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index e85a72c0d6f0..2232f6923cc7 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1986,8 +1986,7 @@ fail_putback: } orig_entry = *pmd; - entry = mk_pmd(new_page, vma->vm_page_prot); - entry = pmd_mkhuge(entry); + entry = mk_huge_pmd(new_page, vma->vm_page_prot); entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma); /* |