diff options
| author | Wang Nan <wangnan0@huawei.com> | 2014-08-07 01:07:38 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-07 03:01:21 +0200 |
| commit | 9bfc41138525c51955cd35cbca56f8cd757a73f8 (patch) | |
| tree | 6321bcb8ca5d32731cd933678f4badc88ba20ef3 /arch | |
| parent | memory-hotplug: add zone_for_memory() for selecting zone for new memory (diff) | |
| download | linux-9bfc41138525c51955cd35cbca56f8cd757a73f8.tar.xz linux-9bfc41138525c51955cd35cbca56f8cd757a73f8.zip | |
memory-hotplug: x86_64: suitable memory should go to ZONE_MOVABLE
This patch introduces zone_for_memory() to arch_add_memory() on x86_64
to ensure new, higher memory added into ZONE_MOVABLE if movable zone has
already setup.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: "Mel Gorman" <mgorman@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/mm/init_64.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index df1a9927ad29..5621c47d7a1a 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -691,7 +691,8 @@ static void update_end_of_memory_vars(u64 start, u64 size) int arch_add_memory(int nid, u64 start, u64 size) { struct pglist_data *pgdat = NODE_DATA(nid); - struct zone *zone = pgdat->node_zones + ZONE_NORMAL; + struct zone *zone = pgdat->node_zones + + zone_for_memory(nid, start, size, ZONE_NORMAL); unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; int ret; |