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authorThomas Gleixner <tglx@linutronix.de>2018-03-14 20:23:25 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-03-14 20:23:25 +0100
commit745dd37f9d67c75d6cf1a1bebfcca71bdeb7a34c (patch)
treee556543ed86b7f49e4972d8ea048ff9e46592b4d /drivers/md/dm-bufio.c
parent02428742639bc3300c8c527b054d0ec0bdf5571d (diff)
parent18a955219bf7d9008ce480d4451b6b8bf4483a22 (diff)
Merge branch 'x86/urgent' into x86/mm to pick up dependencies
Diffstat (limited to 'drivers/md/dm-bufio.c')
-rw-r--r--drivers/md/dm-bufio.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 414c9af54ded..aa2032fa80d4 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -386,9 +386,6 @@ static void __cache_size_refresh(void)
static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
enum data_mode *data_mode)
{
- unsigned noio_flag;
- void *ptr;
-
if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) {
*data_mode = DATA_MODE_SLAB;
return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask);
@@ -412,16 +409,15 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
* all allocations done by this process (including pagetables) are done
* as if GFP_NOIO was specified.
*/
+ if (gfp_mask & __GFP_NORETRY) {
+ unsigned noio_flag = memalloc_noio_save();
+ void *ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
- if (gfp_mask & __GFP_NORETRY)
- noio_flag = memalloc_noio_save();
-
- ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
-
- if (gfp_mask & __GFP_NORETRY)
memalloc_noio_restore(noio_flag);
+ return ptr;
+ }
- return ptr;
+ return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
}
/*