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Slight performance tweak for previous commit.

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This commit is contained in:
David Greenman 1996-07-28 02:54:09 +00:00
parent f230c45cbe
commit 0f281c28fa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=17313
1 changed files with 3 additions and 2 deletions
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5
sys/vm/vm_mmap.c
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@ -38,7 +38,7 @@
* from: Utah $Hdr: vm_mmap.c 1.6 91/10/21$
*
* @(#)vm_mmap.c 8.4 (Berkeley) 1/12/94
* $Id: vm_mmap.c,v 1.46 1996/07/27 04:06:11 dyson Exp $
* $Id: vm_mmap.c,v 1.47 1996/07/27 17:21:41 dyson Exp $
*/
/*
@ -883,13 +883,14 @@ vm_mmap(map, addr, size, prot, maxprot, flags, handle, foff)
* Lookup/allocate object.
*/
if (flags & MAP_ANON) {
type = OBJT_SWAP;
/*
* Unnamed anonymous regions always start at 0.
*/
if (handle == 0) {
foff = 0;
type = OBJT_DEFAULT;
} else {
type = OBJT_SWAP;
}
} else {
vp = (struct vnode *) handle;