diff options
| author | Brian Behlendorf <[email protected]> | 2012-09-19 11:50:22 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2012-09-19 11:52:36 -0700 |
| commit | 95fd8c9a7f979e4c4941d329e6457cc84a81edfa (patch) | |
| tree | c52315db5fa8de5eae92e266504b9c69e7b6c24d | |
| parent | 0a2f7b3662fd10e7ac56a4b2859248eb98e31d6d (diff) | |
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 b8d06fca089fae4680c3a552fc55c512bfb02202
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 <[email protected]>
Issue #973
| -rw-r--r-- | module/zfs/ddt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/module/zfs/ddt.c b/module/zfs/ddt.c index f93024d8f..895422b50 100644 --- a/module/zfs/ddt.c +++ b/module/zfs/ddt.c @@ -653,7 +653,7 @@ ddt_alloc(const ddt_key_t *ddk) ddt_entry_t *dde; /* XXX: Move to a slab */ - dde = kmem_zalloc(sizeof (ddt_entry_t), KM_SLEEP); + dde = kmem_zalloc(sizeof (ddt_entry_t), KM_PUSHPAGE); cv_init(&dde->dde_cv, NULL, CV_DEFAULT, NULL); dde->dde_key = *ddk; @@ -802,7 +802,7 @@ ddt_table_alloc(spa_t *spa, enum zio_checksum c) ddt_t *ddt; /* XXX: Move to a slab */ - ddt = kmem_zalloc(sizeof (*ddt), KM_SLEEP | KM_NODEBUG); + ddt = kmem_zalloc(sizeof (*ddt), KM_PUSHPAGE | KM_NODEBUG); mutex_init(&ddt->ddt_lock, NULL, MUTEX_DEFAULT, NULL); avl_create(&ddt->ddt_tree, ddt_entry_compare, @@ -904,7 +904,7 @@ ddt_class_contains(spa_t *spa, enum ddt_class max_class, const blkptr_t *bp) return (B_TRUE); ddt = spa->spa_ddt[BP_GET_CHECKSUM(bp)]; - dde = kmem_alloc(sizeof(ddt_entry_t), KM_SLEEP); + dde = kmem_alloc(sizeof(ddt_entry_t), KM_PUSHPAGE); ddt_key_fill(&(dde->dde_key), bp); |