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mm: use unsigned types for fragmentation score

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Proactive compaction uses per-node/zone "fragmentation score" which is
always in range [0, 100], so use unsigned type of these scores as well as
for related constants.

Signed-off-by: Nitin Gupta <nigupta@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Baoquan He <bhe@redhat.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Link: http://lkml.kernel.org/r/20200618010319.13159-1-nigupta@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nitin Gupta
2020-08-11 18:31:07 -07:00
committed by Linus Torvalds
parent 25788738eb
commit d34c0a7599
4 changed files with 13 additions and 13 deletions
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2
kernel/sysctl.c
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@@ -2854,7 +2854,7 @@ static struct ctl_table vm_table[] = {
{
.procname = "compaction_proactiveness",
.data = &sysctl_compaction_proactiveness,
.maxlen = sizeof(int),
.maxlen = sizeof(sysctl_compaction_proactiveness),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,