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Switch KM_SLEEP to KM_PUSHPAGE 

This warning indicates the incorrect use of KM_SLEEP in a call
path which must use KM_PUSHPAGE to avoid deadlocking in direct
reclaim.  See commit b8d06fca08
for additional details.

  SPL: Fixing allocation for task txg_sync (6093) which
  used GFP flags 0x297bda7c with PF_NOFS set

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #917
This commit is contained in:
Brian Behlendorf 2012-09-04 19:54:20 -07:00
parent 0ef0ff546e
commit cafa9709f3
2 changed files with 3 additions and 3 deletions
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4
module/zfs/zap_leaf.c
View File

@ -341,7 +341,7 @@ zap_leaf_array_match(zap_leaf_t *l, zap_name_t *zn,
ASSERT(zn->zn_key_intlen == sizeof (*thiskey));
thiskey = kmem_alloc(array_numints * sizeof (*thiskey),
KM_SLEEP);
KM_PUSHPAGE);
zap_leaf_array_read(l, chunk, sizeof (*thiskey), array_numints,
sizeof (*thiskey), array_numints, thiskey);
@ -353,7 +353,7 @@ zap_leaf_array_match(zap_leaf_t *l, zap_name_t *zn,
ASSERT(zn->zn_key_intlen == 1);
if (zn->zn_matchtype == MT_FIRST) {
char *thisname = kmem_alloc(array_numints, KM_SLEEP);
char *thisname = kmem_alloc(array_numints, KM_PUSHPAGE);
boolean_t match;
zap_leaf_array_read(l, chunk, sizeof (char), array_numints,

2
module/zfs/zap_micro.c
View File

@ -202,7 +202,7 @@ zap_name_alloc(zap_t *zap, const char *key, matchtype_t mt)
zap_name_t *
zap_name_alloc_uint64(zap_t *zap, const uint64_t *key, int numints)
{
zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_SLEEP);
zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_PUSHPAGE);
ASSERT(zap->zap_normflags == 0);
zn->zn_zap = zap;