Author: markj
Date: Wed Jul 20 00:09:22 2016
New Revision: 303052
URL: https://svnweb.freebsd.org/changeset/base/303052
Log:
Make vm_pageout_wakeup_thresh a u_int rather than an int.
It's a threshold for v_free_count, which is of type u_int. This also lets
us get rid of a cast in vm_paging_needed().
Reviewed by: alc
MFC after: 1 week
Modified:
head/sys/sys/vmmeter.h
head/sys/vm/vm_pageout.c
Modified: head/sys/sys/vmmeter.h
==============================================================================
--- head/sys/sys/vmmeter.h Wed Jul 20 00:06:03 2016 (r303051)
+++ head/sys/sys/vmmeter.h Wed Jul 20 00:09:22 2016 (r303052)
@@ -117,7 +117,7 @@ struct vmmeter {
extern struct vmmeter vm_cnt;
-extern int vm_pageout_wakeup_thresh;
+extern u_int vm_pageout_wakeup_thresh;
/*
* Return TRUE if we are under our severe low-free-pages threshold
@@ -181,7 +181,7 @@ vm_paging_needed(void)
{
return (vm_cnt.v_free_count + vm_cnt.v_cache_count <
- (u_int)vm_pageout_wakeup_thresh);
+ vm_pageout_wakeup_thresh);
}
#endif
Modified: head/sys/vm/vm_pageout.c
==============================================================================
--- head/sys/vm/vm_pageout.c Wed Jul 20 00:06:03 2016 (r303051)
+++ head/sys/vm/vm_pageout.c Wed Jul 20 00:09:22 2016 (r303052)
@@ -157,7 +157,7 @@ SYSINIT(vmdaemon, SI_SUB_KTHREAD_VM, SI_
int vm_pageout_deficit; /* Estimated number of pages deficit */
-int vm_pageout_wakeup_thresh;
+u_int vm_pageout_wakeup_thresh;
static int vm_pageout_oom_seq = 12;
bool vm_pageout_wanted; /* Event on which pageout daemon sleeps
*/
bool vm_pages_needed; /* Are threads waiting for free pages? */
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