From: Xishi Qiu <qiuxishi@huawei.com> To: Andrew Morton <akpm@linux-foundation.org>, Vlastimil Babka <vbabka@suse.cz>, Mel Gorman <mgorman@techsingularity.net>, Minchan Kim <minchan@kernel.org>, Michal Hocko <mhocko@kernel.org>, Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Yisheng Xie <xieyisheng1@huawei.com>, Linux MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org> Subject: [PATCH 2/2] mm: use is_migrate_isolate_page() to simplify the code Date: Fri, 3 Mar 2017 19:12:49 +0800 [thread overview] Message-ID: <58B94FB1.8020802@huawei.com> (raw) In-Reply-To: <58B94F15.6060606@huawei.com> Use is_migrate_isolate_page() to simplify the code, no functional changes. Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> --- mm/page_isolation.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/page_isolation.c b/mm/page_isolation.c index f4e17a5..7927bbb 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -88,7 +88,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype) zone = page_zone(page); spin_lock_irqsave(&zone->lock, flags); - if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (!is_migrate_isolate_page(page)) goto out; /* @@ -205,7 +205,7 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (!page || get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (!page || !is_migrate_isolate_page(page)) continue; unset_migratetype_isolate(page, migratetype); } @@ -262,7 +262,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, */ for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (page && get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (page && !is_migrate_isolate_page(page)) break; } page = __first_valid_page(start_pfn, end_pfn - start_pfn); -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Xishi Qiu <qiuxishi@huawei.com> To: Andrew Morton <akpm@linux-foundation.org>, Vlastimil Babka <vbabka@suse.cz>, Mel Gorman <mgorman@techsingularity.net>, Minchan Kim <minchan@kernel.org>, Michal Hocko <mhocko@kernel.org>, Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Yisheng Xie <xieyisheng1@huawei.com>, Linux MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org> Subject: [PATCH 2/2] mm: use is_migrate_isolate_page() to simplify the code Date: Fri, 3 Mar 2017 19:12:49 +0800 [thread overview] Message-ID: <58B94FB1.8020802@huawei.com> (raw) In-Reply-To: <58B94F15.6060606@huawei.com> Use is_migrate_isolate_page() to simplify the code, no functional changes. Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> --- mm/page_isolation.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/page_isolation.c b/mm/page_isolation.c index f4e17a5..7927bbb 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -88,7 +88,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype) zone = page_zone(page); spin_lock_irqsave(&zone->lock, flags); - if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (!is_migrate_isolate_page(page)) goto out; /* @@ -205,7 +205,7 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (!page || get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (!page || !is_migrate_isolate_page(page)) continue; unset_migratetype_isolate(page, migratetype); } @@ -262,7 +262,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, */ for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (page && get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (page && !is_migrate_isolate_page(page)) break; } page = __first_valid_page(start_pfn, end_pfn - start_pfn); -- 1.8.3.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-03-03 11:23 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-03 11:10 [PATCH 1/2] mm: use is_migrate_highatomic() to simplify the code Xishi Qiu 2017-03-03 11:10 ` Xishi Qiu 2017-03-03 11:12 ` Xishi Qiu [this message] 2017-03-03 11:12 ` [PATCH 2/2] mm: use is_migrate_isolate_page() " Xishi Qiu 2017-03-03 13:18 ` Michal Hocko 2017-03-03 13:18 ` Michal Hocko 2017-03-03 13:18 ` [PATCH 1/2] mm: use is_migrate_highatomic() " Michal Hocko 2017-03-03 13:18 ` Michal Hocko 2017-03-03 23:06 ` Andrew Morton 2017-03-03 23:06 ` Andrew Morton 2017-03-06 13:38 ` Michal Hocko 2017-03-06 13:38 ` Michal Hocko 2017-03-06 20:43 ` Andrew Morton 2017-03-06 20:43 ` Andrew Morton 2017-03-08 13:05 ` Michal Hocko 2017-03-08 13:05 ` Michal Hocko
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