diff options
Diffstat (limited to 'module/zfs/arc.c')
| -rw-r--r-- | module/zfs/arc.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c index 222614c3d..2459c9326 100644 --- a/module/zfs/arc.c +++ b/module/zfs/arc.c @@ -899,6 +899,7 @@ buf_hash_remove(arc_buf_hdr_t *buf) */ static kmem_cache_t *hdr_cache; static kmem_cache_t *buf_cache; +static kmem_cache_t *l2arc_hdr_cache; static void buf_fini(void) @@ -920,6 +921,7 @@ buf_fini(void) mutex_destroy(&buf_hash_table.ht_locks[i].ht_lock); kmem_cache_destroy(hdr_cache); kmem_cache_destroy(buf_cache); + kmem_cache_destroy(l2arc_hdr_cache); } /* @@ -1020,6 +1022,8 @@ retry: 0, hdr_cons, hdr_dest, NULL, NULL, NULL, 0); buf_cache = kmem_cache_create("arc_buf_t", sizeof (arc_buf_t), 0, buf_cons, buf_dest, NULL, NULL, NULL, 0); + l2arc_hdr_cache = kmem_cache_create("l2arc_buf_hdr_t", L2HDR_SIZE, + 0, NULL, NULL, NULL, NULL, NULL, 0); for (i = 0; i < 256; i++) for (ct = zfs_crc64_table + i, *ct = i, j = 8; j > 0; j--) @@ -1678,7 +1682,7 @@ arc_hdr_destroy(arc_buf_hdr_t *hdr) list_remove(l2hdr->b_dev->l2ad_buflist, hdr); ARCSTAT_INCR(arcstat_l2_size, -hdr->b_size); ARCSTAT_INCR(arcstat_l2_asize, -l2hdr->b_asize); - kmem_free(l2hdr, sizeof (l2arc_buf_hdr_t)); + kmem_cache_free(l2arc_hdr_cache, l2hdr); arc_space_return(L2HDR_SIZE, ARC_SPACE_L2HDRS); if (hdr->b_state == arc_l2c_only) l2arc_hdr_stat_remove(); @@ -3684,7 +3688,7 @@ arc_release(arc_buf_t *buf, void *tag) if (l2hdr) { ARCSTAT_INCR(arcstat_l2_asize, -l2hdr->b_asize); list_remove(l2hdr->b_dev->l2ad_buflist, hdr); - kmem_free(l2hdr, sizeof (l2arc_buf_hdr_t)); + kmem_cache_free(l2arc_hdr_cache, l2hdr); arc_space_return(L2HDR_SIZE, ARC_SPACE_L2HDRS); ARCSTAT_INCR(arcstat_l2_size, -buf_size); mutex_exit(&l2arc_buflist_mtx); @@ -4572,7 +4576,7 @@ l2arc_write_done(zio_t *zio) list_remove(buflist, ab); ARCSTAT_INCR(arcstat_l2_asize, -abl2->b_asize); ab->b_l2hdr = NULL; - kmem_free(abl2, sizeof (l2arc_buf_hdr_t)); + kmem_cache_free(l2arc_hdr_cache, abl2); arc_space_return(L2HDR_SIZE, ARC_SPACE_L2HDRS); ARCSTAT_INCR(arcstat_l2_size, -ab->b_size); } @@ -4827,7 +4831,7 @@ top: abl2 = ab->b_l2hdr; ARCSTAT_INCR(arcstat_l2_asize, -abl2->b_asize); ab->b_l2hdr = NULL; - kmem_free(abl2, sizeof (l2arc_buf_hdr_t)); + kmem_cache_free(l2arc_hdr_cache, abl2); arc_space_return(L2HDR_SIZE, ARC_SPACE_L2HDRS); ARCSTAT_INCR(arcstat_l2_size, -ab->b_size); } @@ -4973,9 +4977,9 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz, /* * Create and add a new L2ARC header. */ - l2hdr = kmem_zalloc(sizeof (l2arc_buf_hdr_t), - KM_PUSHPAGE); + l2hdr = kmem_cache_alloc(l2arc_hdr_cache, KM_PUSHPAGE); l2hdr->b_dev = dev; + l2hdr->b_daddr = 0; arc_space_consume(L2HDR_SIZE, ARC_SPACE_L2HDRS); ab->b_flags |= ARC_L2_WRITING; |