mm/vmstat.c: do not show lowmem reserve protection information of empty zone
Because the lowmem reserve protection of a zone can't tell anything if the zone is empty, except of adding one more line in /proc/zoneinfo. Let's remove it from that zone's showing. Signed-off-by:Baoquan He <bhe@redhat.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200402140113.3696-4-bhe@redhat.com Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
f6366156
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