Use KM_PUSHPAGE in l2arc_write_buffers

[zfs.git] / module / zfs / arc.c

diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index e9f84f5..cbc27d3 100644 (file)
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -1017,7 +1017,8 @@ arc_cksum_compute(arc_buf_t *buf, boolean_t force)
                mutex_exit(&buf->b_hdr->b_freeze_lock);
                return;
        }
-       buf->b_hdr->b_freeze_cksum = kmem_alloc(sizeof (zio_cksum_t), KM_SLEEP);
+       buf->b_hdr->b_freeze_cksum = kmem_alloc(sizeof (zio_cksum_t),
+                                               KM_PUSHPAGE);
        fletcher_2_native(buf->b_data, buf->b_hdr->b_size,
            buf->b_hdr->b_freeze_cksum);
        mutex_exit(&buf->b_hdr->b_freeze_lock);
@@ -4623,8 +4624,8 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
                                 */
                                list_insert_head(dev->l2ad_buflist, head);
 
-                               cb = kmem_alloc(
-                                   sizeof (l2arc_write_callback_t), KM_SLEEP);
+                               cb = kmem_alloc(sizeof (l2arc_write_callback_t),
+                                               KM_PUSHPAGE);
                                cb->l2wcb_dev = dev;
                                cb->l2wcb_head = head;
                                pio = zio_root(spa, l2arc_write_done, cb,
@@ -4634,7 +4635,8 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
                        /*
                         * Create and add a new L2ARC header.
                         */
-                       hdrl2 = kmem_zalloc(sizeof (l2arc_buf_hdr_t), KM_SLEEP);
+                       hdrl2 = kmem_zalloc(sizeof (l2arc_buf_hdr_t),
+                                           KM_PUSHPAGE);
                        hdrl2->b_dev = dev;
                        hdrl2->b_daddr = dev->l2ad_hand;