Re: [PATCH] x86: Allow 1GB pages to be SPECIAL similar to 2MB

2014-11-25 Thread Kirill A. Shutemov
On Tue, Nov 25, 2014 at 01:23:04PM -0800, Andrew Morton wrote: > On Thu, 25 Sep 2014 09:40:24 -0500 James Custer wrote: > > > Superpages allocated by SGI's superpages module can be backed by 1GB pages, > > but direct i/o cannot be used. The superpages module uses _PAGE_BIT_SPECIAL > > to disable

Re: [PATCH] x86: Allow 1GB pages to be SPECIAL similar to 2MB

2014-11-25 Thread Andrew Morton
On Thu, 25 Sep 2014 09:40:24 -0500 James Custer wrote: > Superpages allocated by SGI's superpages module can be backed by 1GB pages, > but direct i/o cannot be used. The superpages module uses _PAGE_BIT_SPECIAL > to disable direct i/o because some code depends on the memory being backed > by page

Re: [PATCH] x86: Allow 1GB pages to be SPECIAL similar to 2MB

2014-09-25 Thread Thomas Gleixner
On Wed, 24 Sep 2014, David Rientjes wrote: > On Wed, 24 Sep 2014, James Custer wrote: > > > > > Signed-off-by: James Custer > > With no changelog to describe the motivation for this change or to specify > why it's required, I doubt you're going to get your patches merged by the > x86 maintai

Re: [PATCH] x86: Allow 1GB pages to be SPECIAL similar to 2MB

2014-09-24 Thread David Rientjes
On Wed, 24 Sep 2014, James Custer wrote: > > Signed-off-by: James Custer With no changelog to describe the motivation for this change or to specify why it's required, I doubt you're going to get your patches merged by the x86 maintainers. -- To unsubscribe from this list: send the line "unsub