On Wed, 30 Oct 2013 21:44:12 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Wed, Oct 30, 2013 at 08:56:17PM +0100, Igor Mammedov wrote:
On Wed, 30 Oct 2013 16:51:29 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
[...]
btw: now if QEMU can't allocate hugepages for whole guest
On Tue, 29 Oct 2013 19:38:44 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Oct 29, 2013 at 07:18:49PM +0100, Igor Mammedov wrote:
Otherwise 1GB TLBs cannot be cached for the range.
This fails to back non-1GB-aligned gpas, but 2MB aligned, with 2MB large
pages.
With current
On Wed, Oct 30, 2013 at 05:49:49PM +0100, Igor Mammedov wrote:
On Tue, 29 Oct 2013 19:38:44 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Oct 29, 2013 at 07:18:49PM +0100, Igor Mammedov wrote:
Otherwise 1GB TLBs cannot be cached for the range.
This fails to back
On Wed, Oct 30, 2013 at 04:51:29PM -0200, Marcelo Tosatti wrote:
On Wed, Oct 30, 2013 at 05:49:49PM +0100, Igor Mammedov wrote:
On Tue, 29 Oct 2013 19:38:44 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Oct 29, 2013 at 07:18:49PM +0100, Igor Mammedov wrote:
Otherwise 1GB
On Wed, Oct 30, 2013 at 05:49:49PM +0100, Igor Mammedov wrote:
On Tue, 29 Oct 2013 19:38:44 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Oct 29, 2013 at 07:18:49PM +0100, Igor Mammedov wrote:
Otherwise 1GB TLBs cannot be cached for the range.
This fails to back
On Wed, 30 Oct 2013 16:51:29 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Wed, Oct 30, 2013 at 05:49:49PM +0100, Igor Mammedov wrote:
On Tue, 29 Oct 2013 19:38:44 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Oct 29, 2013 at 07:18:49PM +0100, Igor Mammedov wrote:
Il 30/10/2013 20:31, Marcelo Tosatti ha scritto:
I do not believe that unability to deal with memory aliases on the
future ability to create machine from configuration is strong enough
reason to justify pushing mixed 1GB and 2MB pages size to the user (1GB
pages are allocated on the host
On Wed, Oct 30, 2013 at 08:56:17PM +0100, Igor Mammedov wrote:
On Wed, 30 Oct 2013 16:51:29 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
On Wed, Oct 30, 2013 at 05:49:49PM +0100, Igor Mammedov wrote:
On Tue, 29 Oct 2013 19:38:44 -0200
Marcelo Tosatti mtosa...@redhat.com wrote:
Otherwise 1GB TLBs cannot be cached for the range.
PS:
as side effect we are not wasting ~1Gb of memory if
1Gb hugepages are used and -m hpagesize(in Mb)*n + 1
Signed-off-by: Igor Mammedov imamm...@redhat.com
---
PS2:
As RFC it's yet without compatibility changes noted by Paolo
---
exec.c
On Tue, Oct 29, 2013 at 07:18:49PM +0100, Igor Mammedov wrote:
Otherwise 1GB TLBs cannot be cached for the range.
This fails to back non-1GB-aligned gpas, but 2MB aligned, with 2MB large
pages.
Since hugetlbfs allocation is static, it requires the user to inform
different 1GB and 2MB sized
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