Removes the dependency on __GFP_NOFAIL by looping indefinitely in the
caller.
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
---
drivers/md/dm-region-hash.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
--- a/drivers/md/dm-region-hash.c
+++ b/drivers/md/dm-region-hash.c
@@ -289,8 +289,12 @@ static struct dm_region *__rh_alloc(struct dm_region_hash *rh, region_t region)
struct dm_region *reg, *nreg;
nreg = mempool_alloc(rh->region_pool, GFP_ATOMIC);
- if (unlikely(!nreg))
- nreg = kmalloc(sizeof(*nreg), GFP_NOIO | __GFP_NOFAIL);
+ if (unlikely(!nreg)) {
+ /* FIXME: this may potentially loop forever */
+ do {
+ nreg = kmalloc(sizeof(*nreg), GFP_NOIO);
+ } while (!nreg);
+ }
nreg->state = rh->log->type->in_sync(rh->log, region, 1) ?
DM_RH_CLEAN : DM_RH_NOSYNC;
--
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