Module Name: src
Committed By: bouyer
Date: Thu Sep 1 16:28:08 UTC 2022
Modified Files:
src/sys/arch/xen/xen: xenmem.c
Log Message:
Call extent_alloc_subregion() with EX_MALLOCOK; under heavy I/O load we need
lots of them and the preallocatted extent descriptors are not enough.
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/xen/xen/xenmem.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/arch/xen/xen/xenmem.c
diff -u src/sys/arch/xen/xen/xenmem.c:1.2 src/sys/arch/xen/xen/xenmem.c:1.3
--- src/sys/arch/xen/xen/xenmem.c:1.2 Wed Aug 31 12:53:27 2022
+++ src/sys/arch/xen/xen/xenmem.c Thu Sep 1 16:28:08 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: xenmem.c,v 1.2 2022/08/31 12:53:27 bouyer Exp $ */
+/* $NetBSD: xenmem.c,v 1.3 2022/09/01 16:28:08 bouyer Exp $ */
/*
* Copyright (c) 2022 Manuel Bouyer.
*
@@ -25,7 +25,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xenmem.c,v 1.2 2022/08/31 12:53:27 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xenmem.c,v 1.3 2022/09/01 16:28:08 bouyer Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -57,11 +57,13 @@ xenmem_alloc_pa(u_long size, u_long alig
#ifdef _LP64
/* allocate above the 4Gb range to not collide wit devices */
error = extent_alloc_subregion(XENMEM_EX, 0x100000000UL, MAXIOMEM,
- size, align, 0, waitok ? (EX_WAITSPACE | EX_WAITOK) : EX_NOWAIT,
+ size, align, 0,
+ (waitok ? (EX_WAITSPACE | EX_WAITOK) : EX_NOWAIT) | EX_MALLOCOK,
&result);
#else
error = extent_alloc(XENMEM_EX, size, align, 0,
- waitok ? (EX_WAITSPACE | EX_WAITOK) : EX_NOWAIT, &result);
+ waitok ? ((EX_WAITSPACE | EX_WAITOK) : EX_NOWAIT) | EX_MALLOCOK,
+ &result);
#endif
if (error) {
printf("xenmem_alloc_pa: failed %d\n", error);
