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From rev. 1.12 of usr.sbin/pstat/pstat.c by phk:

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Reflect the fact that we do not swap on the first <dmmax> blocks of a
swapdev, to protect disklabels and other such magic stuff.
This commit is contained in:
Dmitrij Tejblum 1999-02-14 21:42:05 +00:00
parent 21300d38a6
commit bd54ec1edf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44021
1 changed files with 6 additions and 3 deletions
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9
lib/libkvm/kvm_getswapinfo.c
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@ -14,7 +14,7 @@ static const char copyright[] =
#ifndef lint
static const char rcsid[] =
"$Id: kvm_getswapinfo.c,v 1.4 1999/01/27 11:29:15 bde Exp $";
"$Id: kvm_getswapinfo.c,v 1.5 1999/02/06 06:31:57 dillon Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -175,12 +175,15 @@ kvm_getswapinfo(
*
* new style: swinfo in DEV_BSIZE'd chunks but dmmax
* in pages.
*
* The first dmmax is never allocating to avoid
* trashing the disklabels
*/
if (type == 1)
ttl = dbtoc(swinfo.sw_nblks);
ttl = dbtoc(swinfo.sw_nblks - dmmax);
else
ttl = swinfo.sw_nblks;
ttl = swinfo.sw_nblks - dmmax;
if (ttl == 0)
continue;