diff options
| author | alc <alc@FreeBSD.org> | 2002-12-02 01:12:05 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-12-02 01:12:05 +0000 |
| commit | d5387889cf085aef87f5ad40da8b3971385e2a1e (patch) | |
| tree | 74a0532cbadf36d4b64116dd1d4125d8525716c4 /sys/alpha | |
| parent | 86b5d0d658fdb5d01756833a7ddb09d0cd6757db (diff) | |
| download | FreeBSD-src-d5387889cf085aef87f5ad40da8b3971385e2a1e.zip FreeBSD-src-d5387889cf085aef87f5ad40da8b3971385e2a1e.tar.gz | |
MFi386
Hold the page queues lock around vm_page_unhold() in vunmapbuf().
Approved by: re (blanket)
Diffstat (limited to 'sys/alpha')
| -rw-r--r-- | sys/alpha/alpha/vm_machdep.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/alpha/alpha/vm_machdep.c b/sys/alpha/alpha/vm_machdep.c index 2f86438..09158d8 100644 --- a/sys/alpha/alpha/vm_machdep.c +++ b/sys/alpha/alpha/vm_machdep.c @@ -393,6 +393,7 @@ vunmapbuf(bp) if ((bp->b_flags & B_PHYS) == 0) panic("vunmapbuf"); + vm_page_lock_queues(); for (addr = (caddr_t)trunc_page(bp->b_data); addr < bp->b_data + bp->b_bufsize; addr += PAGE_SIZE) { @@ -400,6 +401,7 @@ vunmapbuf(bp) pmap_kremove((vm_offset_t) addr); vm_page_unhold(PHYS_TO_VM_PAGE(pa)); } + vm_page_unlock_queues(); bp->b_data = bp->b_saveaddr; } |
