thp: cleanup split_huge_page()

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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>

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Kirill A. Shutemov 2016-03-15 14:57:30 -07:00 • committed by Linus Torvalds

parent 88193f7ce6

commit 8df651c705

1 changed files with 7 additions and 13 deletions

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mm/huge_memory.c

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