tree 8d1ffce6a4258e1825859d92e86d521d52d78f64
parent 1100262037be8008cc85240389fbe5eac4df034d
author Wei Yang <richard.weiyang@linux.alibaba.com> 1602633428 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1602639514 -0700

mm/mempolicy: remove or narrow the lock on current

It is not necessary to hold the lock of current when setting nodemask of
a new policy.

Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20200921040416.86185-1-richard.weiyang@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>