mm, memcg: bypass high reclaim iteration for cgroup hierarchy root

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The root of the hierarchy cannot have high set, so we will never reclaim
based on it.  This makes that clearer and avoids another entry.

Signed-off-by: Chris Down <chris@chrisdown.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Link: http://lkml.kernel.org/r/20200312164137.GA1753625@chrisdown.name
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Chris Down 2020-04-06 20:03:30 -07:00 • committed by Linus Torvalds

parent 7e63420847

commit 4bf173072c

1 changed files with 2 additions and 1 deletions

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mm/memcontrol.c

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