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Re: [Qemu-devel] [PATCH] exec: file_ram_alloc(): print error when preall
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH] exec: file_ram_alloc(): print error when prealloc fails |
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Date: |
Mon, 08 Sep 2014 13:28:50 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 |
On 09/08/2014 12:08 PM, Luiz Capitulino wrote:
> If memory allocation fails when using the -mem-prealloc command-line
> option, QEMU exits without printing any error information to
> the user:
>
> # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages
> # echo $?
> 1
>
> This commit adds an error message, so that we print instead:
>
> # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages
> qemu: unable to map backing store for hugepages: Cannot allocate memory
>
> Signed-off-by: Luiz Capitulino <address@hidden>
> ---
> exec.c | 1 +
> 1 file changed, 1 insertion(+)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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