diff options
| author | alc <alc@FreeBSD.org> | 2002-11-27 19:51:48 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-11-27 19:51:48 +0000 |
| commit | 1337d432f2142bb0db9974ad19ade17b5f050648 (patch) | |
| tree | 7aa9ee08032581ea9b7080c4779449e2be026c0a /sys/vm | |
| parent | 7df1ada68782e1812cf23f325ef91e79c1bf1a62 (diff) | |
| download | FreeBSD-src-1337d432f2142bb0db9974ad19ade17b5f050648.zip FreeBSD-src-1337d432f2142bb0db9974ad19ade17b5f050648.tar.gz | |
Hold the page queues lock when performing pmap_clear_modify().
Approved by: re (blanket)
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vnode_pager.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c index f5d2f0e..3a8d8bd 100644 --- a/sys/vm/vnode_pager.c +++ b/sys/vm/vnode_pager.c @@ -521,8 +521,10 @@ vnode_pager_input_smlfs(object, m) } } vm_pager_unmap_page(kva); + vm_page_lock_queues(); pmap_clear_modify(m); vm_page_flag_clear(m, PG_ZERO); + vm_page_unlock_queues(); if (error) { return VM_PAGER_ERROR; } @@ -587,11 +589,13 @@ vnode_pager_input_old(object, m) } vm_pager_unmap_page(kva); } + vm_page_lock_queues(); pmap_clear_modify(m); vm_page_undirty(m); vm_page_flag_clear(m, PG_ZERO); if (!error) m->valid = VM_PAGE_BITS_ALL; + vm_page_unlock_queues(); return error ? VM_PAGER_ERROR : VM_PAGER_OK; } |
