lkml.org 
[lkml]   [2017]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 1/4] mm: refactoring TLB gathering API
Hi Nadav,

On Tue, Aug 01, 2017 at 05:46:14PM -0700, Nadav Amit wrote:
> Mel Gorman <mgorman@techsingularity.net> wrote:
>
> > On Tue, Aug 01, 2017 at 02:56:14PM +0900, Minchan Kim wrote:
> >> This patch is ready for solving race problems caused by TLB batch.
> >
> > s/is ready/is a preparatory patch/
> >
> >> For that, we will increase/decrease TLB flush pending count of
> >> mm_struct whenever tlb_[gather|finish]_mmu is called.
> >>
> >> Before making it simple, this patch separates architecture specific
> >> part and rename it to arch_tlb_[gather|finish]_mmu and generic part
> >> just calls it.
> >>
> >> It shouldn't change any behavior.
> >>
> >> Cc: Ingo Molnar <mingo@redhat.com>
> >> Cc: Russell King <linux@armlinux.org.uk>
> >> Cc: Tony Luck <tony.luck@intel.com>
> >> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> >> Cc: "David S. Miller" <davem@davemloft.net>
> >> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> >> Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
> >> Cc: Jeff Dike <jdike@addtoit.com>
> >> Cc: linux-arch@vger.kernel.org
> >> Cc: Nadav Amit <nadav.amit@gmail.com>
> >> Cc: Mel Gorman <mgorman@techsingularity.net>
> >> Signed-off-by: Minchan Kim <minchan@kernel.org>
> >
> > You could alias arch_generic_tlb_finish_mmu as arch_tlb_gather_mmu
> > simiilar to how other arch-generic helpers are done to avoid some
> > #ifdeffery but otherwise
>
> Minchan,
>
> Andrew wishes me to send one series that combines both series. What about
> this comment from Mel? It seems you intentionally did not want to alias
> them...

It was not intentional but just forgot it. :(
I really appreciate if you could do for me. :)

>
> BTW: patch 4 should add “#include <asm/tlb.h>" - I’ll add it.

Thanks!

\
 
 \ /
  Last update: 2017-08-02 02:54    [W:0.037 / U:35.456 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site