Module Name: src
Committed By: mrg
Date: Tue Nov 13 10:31:01 UTC 2018
Modified Files:
src/sys/uvm: uvm_pglist.c
Log Message:
only warn once per call to uvm_pglistalloc_simple() if waiting.
To generate a diff of this commit:
cvs rdiff -u -r1.71 -r1.72 src/sys/uvm/uvm_pglist.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_pglist.c
diff -u src/sys/uvm/uvm_pglist.c:1.71 src/sys/uvm/uvm_pglist.c:1.72
--- src/sys/uvm/uvm_pglist.c:1.71 Mon Sep 3 16:29:37 2018
+++ src/sys/uvm/uvm_pglist.c Tue Nov 13 10:31:01 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_pglist.c,v 1.71 2018/09/03 16:29:37 riastradh Exp $ */
+/* $NetBSD: uvm_pglist.c,v 1.72 2018/11/13 10:31:01 mrg Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_pglist.c,v 1.71 2018/09/03 16:29:37 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_pglist.c,v 1.72 2018/11/13 10:31:01 mrg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -453,6 +453,7 @@ uvm_pglistalloc_simple(int num, paddr_t
{
int fl, error;
uvm_physseg_t psi;
+ int count = 0;
/* Default to "lose". */
error = ENOMEM;
@@ -462,6 +463,7 @@ again:
* Block all memory allocation and lock the free list.
*/
mutex_spin_enter(&uvm_fpageqlock);
+ count++;
/* Are there even any free pages? */
if (uvmexp.free <= (uvmexp.reserve_pagedaemon + uvmexp.reserve_kernel))
@@ -499,7 +501,8 @@ out:
if (waitok) {
/* XXX perhaps some time limitation? */
#ifdef DEBUG
- printf("pglistalloc waiting\n");
+ if (count == 1)
+ printf("pglistalloc waiting\n");
#endif
uvm_wait("pglalloc");
goto again;
