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| author | alc <alc@FreeBSD.org> | 2002-07-13 04:37:22 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-07-13 04:37:22 +0000 |
| commit | 93d5e1650119acf0cb9135e7f42fbae9adba8cb1 (patch) | |
| tree | 4060c17ca484cdeddcd4f9072a5445f513d15947 /sys/kern/uipc_cow.c | |
| parent | 517fea87d55c4a29a7e37f1d279e5f8adc43e583 (diff) | |
| download | FreeBSD-src-93d5e1650119acf0cb9135e7f42fbae9adba8cb1.zip FreeBSD-src-93d5e1650119acf0cb9135e7f42fbae9adba8cb1.tar.gz | |
Lock accesses to the page queues.
Diffstat (limited to 'sys/kern/uipc_cow.c')
| -rw-r--r-- | sys/kern/uipc_cow.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/uipc_cow.c b/sys/kern/uipc_cow.c index b470468..f909e78 100644 --- a/sys/kern/uipc_cow.c +++ b/sys/kern/uipc_cow.c @@ -148,7 +148,9 @@ socow_setup(struct mbuf *m0, struct uio *uio) /* * wire the page for I/O */ + vm_page_lock_queues(); vm_page_wire(pp); + vm_page_unlock_queues(); /* * prevent the process from exiting on us. |
