mm/huge_memory: fix total_mapcount assumption of page size

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File THPs may now be of arbitrary order.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: SeongJae Park <sjpark@amazon.de>
Cc: Huang Ying <ying.huang@intel.com>
Link: https://lkml.kernel.org/r/20200908195539.25896-5-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Kirill A. Shutemov 2020-10-15 20:05:33 -07:00 • committed by Linus Torvalds

parent 8fb156c9ee

commit 86b562b629

1 changed files with 5 additions and 4 deletions

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mm/huge_memory.c

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