diff options
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index ea846a5..dbcd6e8 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -3024,8 +3024,17 @@ allocbuf(struct buf *bp, int size) * vm_fault->getpages->cluster_read->allocbuf * */ - if (vm_page_sleep_if_busy(m, FALSE, "pgtblk")) + if ((m->oflags & VPO_BUSY) != 0) { + /* + * Reference the page before unlocking + * and sleeping so that the page daemon + * is less likely to reclaim it. + */ + vm_page_lock_queues(); + vm_page_flag_set(m, PG_REFERENCED); + vm_page_sleep(m, "pgtblk"); continue; + } /* * We have a good page. |
