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(parent: 83c03fa) | patch
thp: cleanup split_huge_page()
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 15 Mar 2016 21:57:30 +0000 (14:57 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 15 Mar 2016 23:55:16 +0000 (16:55 -0700)
commit40c06ac640636387bcc4ec8d5669136ead609a8e
treee5a53184414736b25e4436ff30aa28360573d2bbtree | snapshot
parent83c03fa4d6ff2b40872775330b4fd24a83a1dde3commit | diff
thp: cleanup split_huge_page()

After one of bugfixes to freeze_page(), we don't have freezed pages in
rmap, therefore mapcount of all subpages of freezed THP is zero.  And we
have assert for that.

Let's drop code which deal with non-zero mapcount of subpages.

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>
mm/huge_memory.c diff | blob | history
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