From: Joonsoo Kim Date: Tue, 26 Jul 2016 22:24:01 +0000 (-0700) Subject: mm/page_isolation: clean up confused code X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e3a2713c3cfa9c41fac57447533079d8da23319b;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 Acked-by: Vlastimil Babka Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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); } }