mlock: revert mainline handling of mlock error return
This change is intended to make mlock() error returns correct. make_page_present() is a lower level function used by more than mlock(). Subsequent patch[es] will add this error return fixup in an mlock specific path. Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NLee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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