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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2016-01-21 16:40:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 17:20:51 -0800
commitb6ec57f4b92e9bae4617f7d98a054d45370284bb (patch)
tree31b894dc2fa7c8a885baa4be7094c73002999719 /mm/mlock.c
parent404a47410c26a115123885977053e9a1a4460929 (diff)
downloadlinux-b6ec57f4b92e9bae4617f7d98a054d45370284bb.tar.gz
thp: change pmd_trans_huge_lock() interface to return ptl
After THP refcounting rework we have only two possible return values from pmd_trans_huge_lock(): success and failure. Return-by-pointer for ptl doesn't make much sense in this case. Let's convert pmd_trans_huge_lock() to return ptl on success and NULL on failure. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Minchan Kim <minchan@kernel.org> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mlock.c')
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