Now that the zbud supports highmem, storing compressed anonymous pages
on highmem looks more reasonble. So, pass __GFP_HIGHMEM flag to zpool
when zswap allocates memory from it.
Signed-off-by: Heesub Shin <heesub.s...@samsung.com>
---
mm/zswap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index ea064c1..eaabe95 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -684,8 +684,8 @@ static int zswap_frontswap_store(unsigned type, pgoff_t
offset,
/* store */
len = dlen + sizeof(struct zswap_header);
- ret = zpool_malloc(zswap_pool, len, __GFP_NORETRY | __GFP_NOWARN,
- &handle);
+ ret = zpool_malloc(zswap_pool, len,
+ __GFP_NORETRY | __GFP_NOWARN | __GFP_HIGHMEM, &handle);
if (ret == -ENOSPC) {
zswap_reject_compress_poor++;
goto freepage;
--
1.9.1
--
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