d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't allow act_count to exceed ACT_MAX when bumping it up.

Browse Source 
Small optimization to vm_page_bits().

Submitted by:	John Dyson
This commit is contained in:
David Greenman 1995-02-20 14:00:50 +00:00
parent d89ced81b2
commit d0686727c0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=6566
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/vm/vm_page.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_page.c 7.4 (Berkeley) 5/7/91
* $Id: vm_page.c,v 1.18 1995/02/02 09:09:05 davidg Exp $
* $Id: vm_page.c,v 1.19 1995/02/20 13:58:14 davidg Exp $
*/
/*
@ -1002,7 +1002,7 @@ vm_page_activate(m)
TAILQ_INSERT_TAIL(&m->object->memq, m, listq);
if (m->act_count < 5)
m->act_count = 5;
else
else if( m->act_count < ACT_MAX)
m->act_count += 1;
cnt.v_active_count++;
}
@ -1055,6 +1055,8 @@ vm_page_bits(int base, int size)
{
u_short chunk;
if( (base == 0) && (size == PAGE_SIZE))
return VM_PAGE_BITS_ALL;
size = (size + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
base = (base % PAGE_SIZE) / DEV_BSIZE;
chunk = vm_page_dev_bsize_chunks[size / DEV_BSIZE];