On Mon, Nov 09 2015, Joonsoo Kim wrote: > This is preparation step to report test failed pfn in new tracepoint > to analyze cma allocation failure problem. There is no functional change > in this patch. > > Signed-off-by: Joonsoo Kim <iamjoonsoo....@lge.com>
Acked-by: Michal Nazarewicz <min...@mina86.com> > --- > mm/page_isolation.c | 13 ++++++------- > 1 file changed, 6 insertions(+), 7 deletions(-) > > @@ -266,10 +264,11 @@ int test_pages_isolated(unsigned long start_pfn, > unsigned long end_pfn, > /* Check all pages are free or marked as ISOLATED */ > zone = page_zone(page); > spin_lock_irqsave(&zone->lock, flags); > - ret = __test_page_isolated_in_pageblock(start_pfn, end_pfn, > + pfn = __test_page_isolated_in_pageblock(start_pfn, end_pfn, > skip_hwpoisoned_pages); > spin_unlock_irqrestore(&zone->lock, flags); > - return ret ? 0 : -EBUSY; > + > + return (pfn < end_pfn) ? -EBUSY : 0; Parens aren’t necessary. No strong feelings. > } > > struct page *alloc_migrate_target(struct page *page, unsigned long private, -- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, ミハウ “mina86” ナザレヴイツ (o o) ooo +--<m...@google.com>--<xmpp:min...@jabber.org>-----ooO--(_)--Ooo-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
