[libvirt] [PATCH v2 1/2] qemuProcessBuildDestroyHugepagesPath: create path more frequently
Michal Privoznik
mprivozn at redhat.com
Tue Jun 13 14:48:06 UTC 2017
On 06/13/2017 04:14 PM, John Ferlan wrote:
>
>
> On 06/13/2017 09:05 AM, Michal Privoznik wrote:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1455819
>>
>> Currently, the per-domain path for huge pages mmap() for qemu is
>> created iff domain has memoryBacking and hugepages in it
>> configured. However, this alone is not enough because there can
>> be a DIMM module with hugepages configured too.
>
> The reality is there can be multiple reasons, true?
>
> 1. Memory backing source file
> 2. Some page in the configured hugepages list that doesn't match the
> system pagesize
> 3. Some pagesize for a DIMM module that's requesting a different page
> size than the system page size
True.
>
>>
>> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
>> ---
>> src/qemu/qemu_process.c | 31 ++++++++++++++++++++++++++++++-
>> 1 file changed, 30 insertions(+), 1 deletion(-)
>>
>
> Reviewed-by: John Ferlan <jferlan at redhat.com>
>
> John
>
Pushed both. Thanks,
Michal
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