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authorJason Low <jason.low2@hp.com>2015-04-15 16:14:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 16:35:18 -0700
commit9d8c47e4bb1c20dbceee437f9fa7d76dafee80a2 (patch)
treece84c2d3b5f1cff2f1dc583f653f6c9d0f121a46 /mm/ksm.c
parent6cd576130b7152d8f225bab9d21a3f6f96c84b47 (diff)
mm: use READ_ONCE() for non-scalar types
Commit 38c5ce936a08 ("mm/gup: Replace ACCESS_ONCE with READ_ONCE") converted ACCESS_ONCE usage in gup_pmd_range() to READ_ONCE, since ACCESS_ONCE doesn't work reliably on non-scalar types. This patch also fixes the other ACCESS_ONCE usages in gup_pte_range() and __get_user_pages_fast() in mm/gup.c Signed-off-by: Jason Low <jason.low2@hp.com> Acked-by: Michal Hocko <mhocko@suse.cz> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Acked-by: Rik van Riel <riel@redhat.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/ksm.c')
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