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Re: [libvirt] [PATCH v2 1/2] qemuProcessBuildDestroyHugepagesPath: create path more frequently




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

> 
> Signed-off-by: Michal Privoznik <mprivozn redhat com>
> ---
>  src/qemu/qemu_process.c | 31 ++++++++++++++++++++++++++++++-
>  1 file changed, 30 insertions(+), 1 deletion(-)
> 

Reviewed-by: John Ferlan <jferlan redhat com>

John


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