Module Name: src
Committed By: chs
Date: Fri Mar 26 09:35:18 UTC 2021
Modified Files:
src/sys/uvm: uvm_pglist.c
Log Message:
in uvm_pglistalloc_contig_aggressive(), avoid looking forward past
the end of the target range of the physseg.
fixes PR 56074.
To generate a diff of this commit:
cvs rdiff -u -r1.87 -r1.88 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:1.87 src/sys/uvm/uvm_pglist.c:1.88
--- src/sys/uvm/uvm_pglist.c:1.87 Wed Mar 24 06:37:27 2021
+++ src/sys/uvm/uvm_pglist.c Fri Mar 26 09:35:18 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_pglist.c,v 1.87 2021/03/24 06:37:27 skrll Exp $ */
+/* $NetBSD: uvm_pglist.c,v 1.88 2021/03/26 09:35:18 chs Exp $ */
/*-
* Copyright (c) 1997, 2019 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_pglist.c,v 1.87 2021/03/24 06:37:27 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_pglist.c,v 1.88 2021/03/26 09:35:18 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -401,6 +401,9 @@ uvm_pglistalloc_contig_aggressive(int nu
* Look forward for any remaining pages.
*/
+ if (spa + ptoa(num) > rhi) {
+ continue;
+ }
for (; run < num; run++) {
pg = PHYS_TO_VM_PAGE(spa + ptoa(run));
if ((pg->flags & PG_PGLCA) == 0) {
