Module Name: src
Committed By: ad
Date: Mon Dec 23 19:29:03 UTC 2019
Modified Files:
src/sys/uvm: uvm_pdpolicy_clock.c
Log Message:
uvmpdpol_selectvictim: don't assert wire_count == 0, as we can (safely)
race with object owner and wired pages can very briefly appear on the queue.
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/sys/uvm/uvm_pdpolicy_clock.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/uvm/uvm_pdpolicy_clock.c
diff -u src/sys/uvm/uvm_pdpolicy_clock.c:1.21 src/sys/uvm/uvm_pdpolicy_clock.c:1.22
--- src/sys/uvm/uvm_pdpolicy_clock.c:1.21 Sat Dec 21 13:00:25 2019
+++ src/sys/uvm/uvm_pdpolicy_clock.c Mon Dec 23 19:29:03 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_pdpolicy_clock.c,v 1.21 2019/12/21 13:00:25 ad Exp $ */
+/* $NetBSD: uvm_pdpolicy_clock.c,v 1.22 2019/12/23 19:29:03 ad Exp $ */
/* NetBSD: uvm_pdaemon.c,v 1.72 2006/01/05 10:47:33 yamt Exp $ */
/*
@@ -69,7 +69,7 @@
#else /* defined(PDSIM) */
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_pdpolicy_clock.c,v 1.21 2019/12/21 13:00:25 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_pdpolicy_clock.c,v 1.22 2019/12/23 19:29:03 ad Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@@ -208,8 +208,6 @@ uvmpdpol_selectvictim(kmutex_t **plock)
break;
}
ss->ss_nextpg = TAILQ_NEXT(pg, pageq.queue);
- KASSERT(pg->wire_count == 0);
-
uvmexp.pdscans++;
/*
