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Message-ID: <53CDD5EE.1030805@huawei.com> Date: Tue, 22 Jul 2014 11:09:34 +0800 From: Wang Nan <wangnan0@...wei.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: Wang Nan <wangnan0@...wei.com>, Ingo Molnar <mingo@...hat.com>, Yinghai Lu <yinghai@...nel.org>, Mel Gorman <mgorman@...e.de>, Dave Hansen <dave.hansen@...el.com>, Zhang Yanfei <zhangyanfei@...fujitsu.com>, <peifeiyue@...wei.com>, <linux-mm@...ck.org>, <x86@...nel.org>, <linux-ia64@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>, <linux-sh@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Chris Metcalf <cmetcalf@...era.com> Subject: Re: [PATCH v2 7/7] memory-hotplug: tile: suitable memory should go to ZONE_MOVABLE Hi Andrew, Please drop patch 7/7 from -mm tree and keep other 6 patches. arch_add_memory() in tile is different from others: no nid parameter. Patch 7/7 will block compiling. I cc this mail to Chris Metcalf and hope he can look at this issue. Other 6 patches looks good. On 2014/7/21 11:46, Wang Nan wrote: > This patch introduces zone_for_memory() to arch_add_memory() on tile to > ensure new, higher memory added into ZONE_MOVABLE if movable zone has > already setup. > > This patch also fix a problem: on tile, new memory should be added into > ZONE_HIGHMEM by default, not MAX_NR_ZONES-1, which is ZONE_MOVABLE. > > Signed-off-by: Wang Nan <wangnan0@...wei.com> > Cc: Zhang Yanfei <zhangyanfei@...fujitsu.com> > Cc: Dave Hansen <dave.hansen@...el.com> > --- > arch/tile/mm/init.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c > index bfb3127..22ac6c1 100644 > --- a/arch/tile/mm/init.c > +++ b/arch/tile/mm/init.c > @@ -872,7 +872,8 @@ void __init mem_init(void) > int arch_add_memory(u64 start, u64 size) > { > struct pglist_data *pgdata = &contig_page_data; > - struct zone *zone = pgdata->node_zones + MAX_NR_ZONES-1; > + struct zone *zone = pgdata->node_zones + > + zone_for_memory(nid, start, size, ZONE_HIGHMEM); > unsigned long start_pfn = start >> PAGE_SHIFT; > unsigned long nr_pages = size >> PAGE_SHIFT; > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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