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From: Hui Zhu <zhuhui@xiaomi.com>
Subject: [RFC v2 3/3] zram: make create "__GFP_MOVABLE" pool
Date: Thu, 15 Oct 2015 17:09:02 +0800
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Cc: teawater@gmail.com, Hui Zhu <zhuhui@xiaomi.com>

Change the flags when call zs_create_pool to make zram alloc movable
zsmalloc page if CONFIG_MIGRATION.

Signed-off-by: Hui Zhu <zhuhui@xiaomi.com>
---
 drivers/block/zram/zram_drv.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 9fa15bb..3e1e955 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -514,7 +514,13 @@ static struct zram_meta *zram_meta_alloc(char *pool_name, u64 disksize)
 		goto out_error;
 	}
 
+#ifdef CONFIG_MIGRATION
+	meta->mem_pool
+		= zs_create_pool(pool_name,
+				 GFP_NOIO | __GFP_HIGHMEM | __GFP_MOVABLE);
+#else
 	meta->mem_pool = zs_create_pool(pool_name, GFP_NOIO | __GFP_HIGHMEM);
+#endif
 	if (!meta->mem_pool) {
 		pr_err("Error creating memory pool\n");
 		goto out_error;
-- 
1.9.1

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