lkml.org 
[lkml]   [2014]   [Dec]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 30/38] s390: drop pte_file()-related helpers
On Mon, 29 Dec 2014 12:37:57 +0200
"Kirill A. Shutemov" <kirill@shutemov.name> wrote:

> On Mon, Dec 29, 2014 at 11:07:27AM +0100, Martin Schwidefsky wrote:
> > On Wed, 24 Dec 2014 14:22:38 +0200
> > "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> wrote:
> >
> > > We've replaced remap_file_pages(2) implementation with emulation.
> > > Nobody creates non-linear mapping anymore.
> > >
> > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> > > Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> > > Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> > > ---
> > > @@ -279,7 +279,6 @@ static inline int is_module_addr(void *addr)
> > > *
> > > * pte_present is true for the bit pattern .xx...xxxxx1, (pte & 0x001) == 0x001
> > > * pte_none is true for the bit pattern .10...xxxx00, (pte & 0x603) == 0x400
> > > - * pte_file is true for the bit pattern .11...xxxxx0, (pte & 0x601) == 0x600
> > > * pte_swap is true for the bit pattern .10...xxxx10, (pte & 0x603) == 0x402
> > > */
> >
> > Nice, once this is upstream I can free up one of the software bits in
> > the pte by redefining the type bits. Right now all of them are used up.
> > Is the removal of non-linear mappings a done deal ?
>
> Yes, if no horrible regression will be reported. We don't create
> non-linear mapping in -mm (and -next) tree for a few release cycles.
> Nobody complained so far.
>
> Ack?

Yes, ack!


--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.



\
 
 \ /
  Last update: 2014-12-30 12:21    [W:0.117 / U:0.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site