Author: jmallett
Date: Sat Feb 12 02:10:08 2011
New Revision: 218592
URL: http://svn.freebsd.org/changeset/base/218592
Log:
Use CPU_FOREACH rather than expecting CPUs 0 through mp_ncpus-1 to be present.
Don't micro-optimize the uniprocessor case; use the same loop there.
Submitted by: Bhanu Prakash
Reviewed by: kib, jhb
Modified:
head/sys/vm/vm_meter.c
Modified: head/sys/vm/vm_meter.c
==============================================================================
--- head/sys/vm/vm_meter.c Sat Feb 12 02:08:24 2011 (r218591)
+++ head/sys/vm/vm_meter.c Sat Feb 12 02:10:08 2011 (r218592)
@@ -254,16 +254,12 @@ vcnt(SYSCTL_HANDLER_ARGS)
{
int count = *(int *)arg1;
int offset = (char *)arg1 - (char *)&cnt;
-#ifdef SMP
int i;
- for (i = 0; i < mp_ncpus; ++i) {
+ CPU_FOREACH(i) {
struct pcpu *pcpu = pcpu_find(i);
count += *(int *)((char *)&pcpu->pc_cnt + offset);
}
-#else
- count += *(int *)((char *)PCPU_PTR(cnt) + offset);
-#endif
return (SYSCTL_OUT(req, &count, sizeof(int)));
}
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