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mm/ksm.c: update get_user_pages() argument in comment 

This updates get_user_pages()'s argument in ksm_test_exit()'s comment

Signed-off-by: Li Chen <chenli@uniontech.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/30ac2417-f1c7-f337-0beb-df561295298c@uniontech.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li Chen 2020-04-06 20:04:38 -07:00 committed by Linus Torvalds
parent 396bcc5299
commit 7a9547fd4e
1 changed files with 1 additions and 1 deletions
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mm/ksm.c
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@ -455,7 +455,7 @@ static inline bool ksm_test_exit(struct mm_struct *mm)
/*
* We use break_ksm to break COW on a ksm page: it's a stripped down
*
* if (get_user_pages(addr, 1, 1, 1, &page, NULL) == 1)
* if (get_user_pages(addr, 1, FOLL_WRITE, &page, NULL) == 1)
* put_page(page);
*
* but taking great care only to touch a ksm page, in a VM_MERGEABLE vma,