diff options
| author | alc <alc@FreeBSD.org> | 2002-07-13 19:48:54 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-07-13 19:48:54 +0000 |
| commit | ee17f219fb9065816011bc297e15dc930b8adb49 (patch) | |
| tree | 5c3b8e8494495fed462cb4229621d047f432b4ce /sys | |
| parent | 02d3f94cc92f810c98e486c42a2111ac35718e58 (diff) | |
| download | FreeBSD-src-ee17f219fb9065816011bc297e15dc930b8adb49.zip FreeBSD-src-ee17f219fb9065816011bc297e15dc930b8adb49.tar.gz | |
o Lock some page queue accesses, in particular, those by vm_page_unwire().
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 4 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 1a85a52..037de9f 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -1002,9 +1002,11 @@ pmap_dispose_thread(td) m = vm_page_lookup(ksobj, i); if (m == NULL) panic("pmap_dispose_thread: kstack already missing?"); + vm_page_lock_queues(); vm_page_busy(m); vm_page_unwire(m, 0); vm_page_free(m); + vm_page_unlock_queues(); } /* * Free the space that this stack was mapped to in the kernel @@ -1037,8 +1039,10 @@ pmap_swapout_thread(td) m = vm_page_lookup(ksobj, i); if (m == NULL) panic("pmap_swapout_thread: kstack already missing?"); + vm_page_lock_queues(); vm_page_dirty(m); vm_page_unwire(m, 0); + vm_page_unlock_queues(); } } diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 1a85a52..037de9f 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1002,9 +1002,11 @@ pmap_dispose_thread(td) m = vm_page_lookup(ksobj, i); if (m == NULL) panic("pmap_dispose_thread: kstack already missing?"); + vm_page_lock_queues(); vm_page_busy(m); vm_page_unwire(m, 0); vm_page_free(m); + vm_page_unlock_queues(); } /* * Free the space that this stack was mapped to in the kernel @@ -1037,8 +1039,10 @@ pmap_swapout_thread(td) m = vm_page_lookup(ksobj, i); if (m == NULL) panic("pmap_swapout_thread: kstack already missing?"); + vm_page_lock_queues(); vm_page_dirty(m); vm_page_unwire(m, 0); + vm_page_unlock_queues(); } } |
