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| author | alc <alc@FreeBSD.org> | 2002-07-13 23:55:30 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-07-13 23:55:30 +0000 |
| commit | 5258ed77bb039f96f2310a4d4d549c2f2560557e (patch) | |
| tree | 5f0dd6da95ac98d2f716fa3e723812525f13eecd | |
| parent | 62f24912aa4d288ecd28ce105d18f1c93a271347 (diff) | |
| download | FreeBSD-src-5258ed77bb039f96f2310a4d4d549c2f2560557e.zip FreeBSD-src-5258ed77bb039f96f2310a4d4d549c2f2560557e.tar.gz | |
o Lock page queue accesses by vm_page_unmanage().
o Assert that the page queues lock is held in vm_page_unmanage().
| -rw-r--r-- | sys/vm/phys_pager.c | 2 | ||||
| -rw-r--r-- | sys/vm/vm_page.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/sys/vm/phys_pager.c b/sys/vm/phys_pager.c index a93dda1..98c505c 100644 --- a/sys/vm/phys_pager.c +++ b/sys/vm/phys_pager.c @@ -147,7 +147,9 @@ phys_pager_getpages(vm_object_t object, vm_page_t *m, int count, int reqpage) vm_page_zero_fill(m[i]); vm_page_flag_set(m[i], PG_ZERO); /* Switch off pv_entries */ + vm_page_lock_queues(); vm_page_unmanage(m[i]); + vm_page_unlock_queues(); m[i]->valid = VM_PAGE_BITS_ALL; m[i]->dirty = 0; /* The requested page must remain busy, the others not. */ diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index 74eb575..6e08ec1 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -1211,6 +1211,7 @@ vm_page_unmanage(vm_page_t m) int s; s = splvm(); + mtx_assert(&vm_page_queue_mtx, MA_OWNED); if ((m->flags & PG_UNMANAGED) == 0) { if (m->wire_count == 0) vm_pageq_remove(m); |
