Author: alc
Date: Sun Sep 27 05:45:16 2015
New Revision: 288302
URL: https://svnweb.freebsd.org/changeset/base/288302
Log:
MFC r266588
There is no reason to perform the pmap_remove() on the kernel pmap while
the kmem object lock is held. Do the pmap_remove() before acquiring the
kmem object lock.
Modified:
stable/10/sys/vm/vm_kern.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/vm/vm_kern.c
==============================================================================
--- stable/10/sys/vm/vm_kern.c Sun Sep 27 05:29:34 2015 (r288301)
+++ stable/10/sys/vm/vm_kern.c Sun Sep 27 05:45:16 2015 (r288302)
@@ -396,9 +396,9 @@ kmem_unback(vm_object_t object, vm_offse
KASSERT(object == kmem_object || object == kernel_object,
("kmem_unback: only supports kernel objects."));
+ pmap_remove(kernel_pmap, addr, addr + size);
offset = addr - VM_MIN_KERNEL_ADDRESS;
VM_OBJECT_WLOCK(object);
- pmap_remove(kernel_pmap, addr, addr + size);
for (i = 0; i < size; i += PAGE_SIZE) {
m = vm_page_lookup(object, OFF_TO_IDX(offset + i));
vm_page_unwire(m, 0);
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
