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authorOscar Salvador <osalvador@suse.de>2019-05-13 17:17:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-14 09:47:46 -0700
commit39186cbe652d4f09d9494292fb77dfbc113bdf59 (patch)
tree177ae14ba170b489518f793bc54ca797aa5b56b0 /mm
parent10eeadf3045c35fc83649ac586973eb28255add9 (diff)
mm,memory_hotplug: drop redundant hugepage_migration_supported check
has_unmovable_pages() already checks whether the hugetlb page supports migration, so all non-migratable hugetlb pages should have been caught there. Let us drop the check from scan_movable_pages() as is redundant. Link: http://lkml.kernel.org/r/20190320152658.10855-3-osalvador@suse.de Signed-off-by: Oscar Salvador <osalvador@suse.de> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory_hotplug.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index df41b467e020..ed4e70c501e6 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1341,8 +1341,7 @@ static unsigned long scan_movable_pages(unsigned long start, unsigned long end)
if (!PageHuge(page))
continue;
head = compound_head(page);
- if (hugepage_migration_supported(page_hstate(head)) &&
- page_huge_active(head))
+ if (page_huge_active(head))
return pfn;
skip = (1 << compound_order(head)) - (page - head);
pfn += skip - 1;