Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

in uvm_pglistalloc_contig_aggressive(), avoid looking forward past

Browse Source 
the end of the target range of the physseg.
fixes PR 56074.
This commit is contained in:
chs 2021-03-26 09:35:18 +00:00
parent 5dda8b9865
commit de4adac16c
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/uvm/uvm_pglist.c
View File

@ -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 num, paddr_t low, paddr_t high,
* 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) {