Attachment 926919 Details for Bug 1006027 – fix -mem-prealloc to match upstream semantics

[patch] fix -mem-prealloc to match upstream semantics

0001-mem_prealloc-fix-default-value.patch (text/plain), 1.01 KB, created by Andrea Arcangeli on 2014-08-14 21:40:16 UTC

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Creator: Andrea Arcangeli

Created: 2014-08-14 21:40:16 UTC

Size: 1.01 KB

patch

obsolete

>From f9e81dfccc841278ad5575167d121b7afe7a7923 Mon Sep 17 00:00:00 2001
>From: Andrea Arcangeli <aarcange@redhat.com>
>Date: Thu, 14 Aug 2014 23:32:02 +0200
>Subject: [RHEL-6.6 qemu-kvm PATCH] mem_prealloc: fix default value
>
>Like -help says:
>
>-mem-prealloc        preallocate guest memory
>
>Without this change -mem-prealloc actually disables -mem-prealloc.
>
>Also it would be better to have all those variables initialized to
>zero in the .bss without having initializing them with a .data section
>that wastes binary size.
>
>Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
>---
> vl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/vl.c b/vl.c
>index c7d97aa..efc341f 100644
>--- a/vl.c
>+++ b/vl.c
>@@ -254,7 +254,7 @@ unsigned int kvm_shadow_memory = 0;
> const char *mem_path = NULL;
> int disable_KSM;
> #ifdef MAP_POPULATE
>-int mem_prealloc = 1;	/* force preallocation of physical target memory */
>+int mem_prealloc = 0;	/* use -mem-prealloc to force preallocation */
> #endif
> #ifdef TARGET_ARM
> int old_param = 0;

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Attachments on bug 1006027: 926919