diff options
| author | alc <alc@FreeBSD.org> | 2004-10-24 23:53:47 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2004-10-24 23:53:47 +0000 |
| commit | 774f792baecfaf8f7e8641695f5fc9e63e3119f5 (patch) | |
| tree | b117af533161e5625f40dd0d5d8bb66f592fe2b0 /sys/vm/vm_page.c | |
| parent | d961169e94d66620e7e005adf01d15b69ddb4bc9 (diff) | |
| download | FreeBSD-src-774f792baecfaf8f7e8641695f5fc9e63e3119f5.zip FreeBSD-src-774f792baecfaf8f7e8641695f5fc9e63e3119f5.tar.gz | |
Assert that the containing vm object is locked in vm_page_busy() and
vm_page_wakeup().
Diffstat (limited to 'sys/vm/vm_page.c')
| -rw-r--r-- | sys/vm/vm_page.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index a1f199c..ab20e06 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -297,6 +297,8 @@ vm_page_flag_clear(vm_page_t m, unsigned short bits) void vm_page_busy(vm_page_t m) { + + VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); KASSERT((m->flags & PG_BUSY) == 0, ("vm_page_busy: page already busy!!!")); vm_page_flag_set(m, PG_BUSY); @@ -326,6 +328,8 @@ vm_page_flash(vm_page_t m) void vm_page_wakeup(vm_page_t m) { + + VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); KASSERT(m->flags & PG_BUSY, ("vm_page_wakeup: page not busy!!!")); vm_page_flag_clear(m, PG_BUSY); vm_page_flash(m); |
