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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2016-07-26 15:24:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-26 16:19:19 -0700
commite3a2713c3cfa9c41fac57447533079d8da23319b (patch)
tree1f5545696b41969571ef78903712ad02e8fec61f /mm/page_isolation.c
parent46f24fd857b37bb86ddd5d0ac3d194e984dfdf1c (diff)
downloadlinux-e3a2713c3cfa9c41fac57447533079d8da23319b.tar.bz2
mm/page_isolation: clean up confused code
When there is an isolated_page, post_alloc_hook() is called with page but __free_pages() is called with isolated_page. Since they are the same so no problem but it's very confusing. To reduce it, this patch changes isolated_page to boolean type and uses page variable consistently. Link: http://lkml.kernel.org/r/1466150259-27727-10-git-send-email-iamjoonsoo.kim@lge.com Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 4639163b78f9..064b7fb6e0b5 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -81,7 +81,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype)
{
struct zone *zone;
unsigned long flags, nr_pages;
- struct page *isolated_page = NULL;
+ bool isolated_page = false;
unsigned int order;
unsigned long page_idx, buddy_idx;
struct page *buddy;
@@ -109,7 +109,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype)
if (pfn_valid_within(page_to_pfn(buddy)) &&
!is_migrate_isolate_page(buddy)) {
__isolate_free_page(page, order);
- isolated_page = page;
+ isolated_page = true;
}
}
}
@@ -129,7 +129,7 @@ out:
spin_unlock_irqrestore(&zone->lock, flags);
if (isolated_page) {
post_alloc_hook(page, order, __GFP_MOVABLE);
- __free_pages(isolated_page, order);
+ __free_pages(page, order);
}
}