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| author | alc <alc@FreeBSD.org> | 2010-05-03 17:55:32 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2010-05-03 17:55:32 +0000 |
| commit | 33bb944de87dcb5fa7c7c5c260ca36e8b5ad739f (patch) | |
| tree | bf64d39c531661a5dabb333f14c0d775473a06f2 | |
| parent | 0ec9744723453231e9fd60b03b8c68d4ce625cf7 (diff) | |
| download | FreeBSD-src-33bb944de87dcb5fa7c7c5c260ca36e8b5ad739f.zip FreeBSD-src-33bb944de87dcb5fa7c7c5c260ca36e8b5ad739f.tar.gz | |
Acquire the page lock around vm_page_wire() in vm_page_grab().
Assert that the page lock is held in vm_page_wire().
| -rw-r--r-- | sys/vm/vm_page.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index acec3b7..e18e7ba 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -1544,6 +1544,7 @@ vm_page_wire(vm_page_t m) * it is already off the queues). */ mtx_assert(&vm_page_queue_mtx, MA_OWNED); + vm_page_lock_assert(m, MA_OWNED); if (m->flags & PG_FICTITIOUS) return; if (m->wire_count == 0) { @@ -1914,9 +1915,11 @@ retrylookup: goto retrylookup; } else { if ((allocflags & VM_ALLOC_WIRED) != 0) { + vm_page_lock(m); vm_page_lock_queues(); vm_page_wire(m); vm_page_unlock_queues(); + vm_page_unlock(m); } if ((allocflags & VM_ALLOC_NOBUSY) == 0) vm_page_busy(m); |
