svn commit: r198494 - head/sys/fs/tmpfs

[Alan Cox]

Author: alc
Date: Mon Oct 26 18:02:05 2009
New Revision: 198494
URL: http://svn.freebsd.org/changeset/base/198494

Log:
  There is no need to "busy" a page when the object is locked for the duration
  of the operation.

Modified:
  head/sys/fs/tmpfs/tmpfs_subr.c

Modified: head/sys/fs/tmpfs/tmpfs_subr.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_subr.c	Mon Oct 26 17:42:03 2009	(r198493)
+++ head/sys/fs/tmpfs/tmpfs_subr.c	Mon Oct 26 18:02:05 2009	(r198494)
@@ -906,10 +906,9 @@ tmpfs_reg_resize(struct vnode *vp, off_t
 
 		if (zerolen > 0) {
 			m = vm_page_grab(uobj, OFF_TO_IDX(newsize),
-					VM_ALLOC_NORMAL | VM_ALLOC_RETRY);
+			    VM_ALLOC_NOBUSY | VM_ALLOC_NORMAL | VM_ALLOC_RETRY);
 			pmap_zero_page_area(m, PAGE_SIZE - zerolen,
 				zerolen);
-			vm_page_wakeup(m);
 		}
 		VM_OBJECT_UNLOCK(uobj);