mm/huge_memory: fix page_trans_huge_mapcount assumption of THP size

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Ask the page what size it is instead of assuming it's PMD size.

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>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Huang Ying <ying.huang@intel.com>
Link: https://lkml.kernel.org/r/20200908195539.25896-7-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Matthew Wilcox (Oracle) 2020-10-15 20:05:39 -07:00 • committed by Linus Torvalds

parent 8cce547568

commit 65dfe3c3bc

1 changed files with 2 additions and 2 deletions

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mm/huge_memory.c

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