diff options
author | alc <alc@FreeBSD.org> | 2002-12-15 00:06:02 +0000 |
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committer | alc <alc@FreeBSD.org> | 2002-12-15 00:06:02 +0000 |
commit | 339c5b2dab81223a690db21a22858336229504c4 (patch) | |
tree | 5683e168325f1d8f219a32d0c26cc4f513459618 /sys/vm | |
parent | 13f890f8add024bf9060812b6ae227667e4cf1aa (diff) | |
download | FreeBSD-src-339c5b2dab81223a690db21a22858336229504c4.zip FreeBSD-src-339c5b2dab81223a690db21a22858336229504c4.tar.gz |
Assert that the page queues lock is held in vm_page_unhold(),
vm_page_remove(), and vm_page_free_toq().
Diffstat (limited to 'sys/vm')
-rw-r--r-- | sys/vm/vm_page.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index 4cc9e18..ee23feb 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -363,7 +363,8 @@ vm_page_hold(vm_page_t mem) void vm_page_unhold(vm_page_t mem) { - GIANT_REQUIRED; + + mtx_assert(&vm_page_queue_mtx, MA_OWNED); --mem->hold_count; KASSERT(mem->hold_count >= 0, ("vm_page_unhold: hold count < 0!!!")); if (mem->hold_count == 0 && mem->queue == PQ_HOLD) @@ -622,7 +623,7 @@ vm_page_remove(vm_page_t m) vm_page_t root; GIANT_REQUIRED; - + mtx_assert(&vm_page_queue_mtx, MA_OWNED); if (m->object == NULL) return; @@ -1061,6 +1062,7 @@ vm_page_free_toq(vm_page_t m) vm_object_t object = m->object; GIANT_REQUIRED; + mtx_assert(&vm_page_queue_mtx, MA_OWNED); s = splvm(); cnt.v_tfree++; |