diff options
| author | alc <alc@FreeBSD.org> | 2010-05-04 15:55:41 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2010-05-04 15:55:41 +0000 |
| commit | c9aaa1e2a21afcea58a3bec5e8cffd6652fbaa25 (patch) | |
| tree | 08dad4596fb8ef71c441ab83e48cd31b53d4c26f /sys/kern/uipc_cow.c | |
| parent | fbfe456f9697050cf749467e9b47e3aad49f09bb (diff) | |
| download | FreeBSD-src-c9aaa1e2a21afcea58a3bec5e8cffd6652fbaa25.zip FreeBSD-src-c9aaa1e2a21afcea58a3bec5e8cffd6652fbaa25.tar.gz | |
Add page locking to the vm_page_cow* functions.
Push down the acquisition and release of the page queues lock into
vm_page_wire().
Reviewed by: kib
Diffstat (limited to 'sys/kern/uipc_cow.c')
| -rw-r--r-- | sys/kern/uipc_cow.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/sys/kern/uipc_cow.c b/sys/kern/uipc_cow.c index 88a5625..bc9a56a 100644 --- a/sys/kern/uipc_cow.c +++ b/sys/kern/uipc_cow.c @@ -131,10 +131,8 @@ socow_setup(struct mbuf *m0, struct uio *uio) * set up COW */ vm_page_lock(pp); - vm_page_lock_queues(); if (vm_page_cowsetup(pp) != 0) { vm_page_unhold(pp); - vm_page_unlock_queues(); vm_page_unlock(pp); return (0); } @@ -144,7 +142,6 @@ socow_setup(struct mbuf *m0, struct uio *uio) */ vm_page_wire(pp); vm_page_unhold(pp); - vm_page_unlock_queues(); vm_page_unlock(pp); /* * Allocate an sf buf |
