tree e5a53184414736b25e4436ff30aa28360573d2bb
parent 88193f7ce6657ec4197b1f26b73b37197373b8e6
author Kirill A. Shutemov <kirill.shutemov@linux.intel.com> 1458079050 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1458086116 -0700

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>