Do not __GFP_ZERO allocated zcomp ->private pages. We keep
allocated streams around and use them for read/write requests,
so we supply a zeroed out ->private to compression algorithm
as a scratch buffer only once -- the first time we use that
stream. For the rest of IO requests served by this stream
->private usually contains some temporarily data from the
previous requests.
Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com>
---
drivers/block/zram/zcomp_lz4.c | 4 ++--
drivers/block/zram/zcomp_lzo.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/block/zram/zcomp_lz4.c b/drivers/block/zram/zcomp_lz4.c
index dc2338d..0110086 100644
--- a/drivers/block/zram/zcomp_lz4.c
+++ b/drivers/block/zram/zcomp_lz4.c
@@ -19,10 +19,10 @@ static void *zcomp_lz4_create(gfp_t flags)
{
void *ret;
- ret = kzalloc(LZ4_MEM_COMPRESS, flags);
+ ret = kmalloc(LZ4_MEM_COMPRESS, flags);
if (!ret)
ret = __vmalloc(LZ4_MEM_COMPRESS,
- flags | __GFP_ZERO | __GFP_HIGHMEM,
+ flags | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
diff --git a/drivers/block/zram/zcomp_lzo.c b/drivers/block/zram/zcomp_lzo.c
index 0ab6fce..ed7a1f0 100644
--- a/drivers/block/zram/zcomp_lzo.c
+++ b/drivers/block/zram/zcomp_lzo.c
@@ -19,10 +19,10 @@ static void *lzo_create(gfp_t flags)
{
void *ret;
- ret = kzalloc(LZO1X_MEM_COMPRESS, flags);
+ ret = kmalloc(LZO1X_MEM_COMPRESS, flags);
if (!ret)
ret = __vmalloc(LZO1X_MEM_COMPRESS,
- flags | __GFP_ZERO | __GFP_HIGHMEM,
+ flags | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
--
2.6.3.368.gf34be46
--
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