mm/zsmalloc: add missing annotation for migrate_read_lock()
Sparse reports a warning at migrate_read_lock()() warning: context imbalance in migrate_read_lock() - wrong count at exit The root cause is the missing annotation at migrate_read_lock() Add the missing __acquires(&zspage->lock) annotation Signed-off-by: NJules Irenge <jbi.octave@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Acked-by: NMinchan Kim <minchan@kernel.org> Link: http://lkml.kernel.org/r/20200214204741.94112-11-jbi.octave@gmail.comSigned-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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