From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Avi Kivity <avi@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
Rik van Riel <riel@redhat.com>, Ingo Molnar <mingo@elte.hu>,
akpm@linux-foundation.org,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
David Miller <davem@davemloft.net>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@kernel.dk>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Yanmin Zhang <yanmin_zhang@linux.intel.com>
Subject: Re: [PATCH 00/17] mm: mmu_gather rework
Date: Thu, 17 Feb 2011 18:36:20 +0100 [thread overview]
Message-ID: <1297964180.2413.2028.camel@twins> (raw)
In-Reply-To: <20110217162327.434629380@chello.nl>
On Thu, 2011-02-17 at 17:23 +0100, Peter Zijlstra wrote:
> Rework the existing mmu_gather infrastructure.
>
> The direct purpose of these patches was to allow preemptible mmu_gather,
> but even without that I think these patches provide an improvement to the
> status quo.
>
> The first patch is a fix to the tile architecture, the subsequent 9 patches
> rework the mmu_gather infrastructure. For review purpose I've split them
> into generic and per-arch patches with the last of those a generic cleanup.
>
> For the final commit I would provide a roll-up of these patches so as not
> to wreck bisectability of non generic archs.
>
> The next patch provides generic RCU page-table freeing, and the follow up
> is a patch converting s390 to use this. I've also got 4 patches from
> DaveM lined up (not included in this series) that uses this to implement
> gup_fast() for sparc64.
>
> Then there is one patch that extends the generic mmu_gather batching.
>
> Finally there are 4 patches that convert various architectures over
> to asm-generic/tlb.h, these are compile tested only and basically RFC.
>
> After this only um and s390 are left -- um should be straight forward,
> s390 wants a bit more, but more on that in another email.
---
arch/Kconfig | 6
arch/alpha/mm/init.c | 2
arch/arm/Kconfig | 1
arch/arm/include/asm/tlb.h | 83 ------------
arch/arm/include/asm/tlbflush.h | 5
arch/arm/mm/mmu.c | 2
arch/avr32/mm/init.c | 2
arch/cris/mm/init.c | 2
arch/frv/mm/init.c | 2
arch/ia64/Kconfig | 1
arch/ia64/include/asm/tlb.h | 147 +--------------------
arch/ia64/mm/init.c | 2
arch/m32r/mm/init.c | 2
arch/m68k/mm/init.c | 2
arch/microblaze/mm/init.c | 2
arch/mips/mm/init.c | 2
arch/mn10300/mm/init.c | 2
arch/parisc/mm/init.c | 2
arch/powerpc/Kconfig | 1
arch/powerpc/include/asm/pgalloc.h | 21 ++-
arch/powerpc/include/asm/thread_info.h | 2
arch/powerpc/kernel/process.c | 23 +++
arch/powerpc/mm/pgtable.c | 104 ---------------
arch/powerpc/mm/tlb_hash32.c | 3
arch/powerpc/mm/tlb_hash64.c | 11 -
arch/powerpc/mm/tlb_nohash.c | 3
arch/s390/Kconfig | 1
arch/s390/include/asm/pgalloc.h | 19 +-
arch/s390/include/asm/tlb.h | 100 +++++++-------
arch/s390/mm/pgtable.c | 193 +++-------------------------
arch/score/mm/init.c | 2
arch/sh/Kconfig | 1
arch/sh/include/asm/tlb.h | 92 -------------
arch/sh/mm/init.c | 1
arch/sparc/include/asm/pgalloc_64.h | 3
arch/sparc/include/asm/pgtable_64.h | 15 +-
arch/sparc/include/asm/tlb_64.h | 91 -------------
arch/sparc/include/asm/tlbflush_64.h | 12 +
arch/sparc/mm/init_32.c | 2
arch/sparc/mm/tlb.c | 43 +++---
arch/sparc/mm/tsb.c | 15 +-
arch/tile/mm/init.c | 2
arch/tile/mm/pgtable.c | 15 --
arch/um/include/asm/tlb.h | 29 +---
arch/um/kernel/smp.c | 3
arch/x86/mm/init.c | 2
arch/xtensa/mm/mmu.c | 2
fs/exec.c | 10 -
include/asm-generic/tlb.h | 227 +++++++++++++++++++++++++++------
include/linux/mm.h | 2
mm/memory.c | 119 +++++++++++++----
mm/mmap.c | 18 +-
52 files changed, 536 insertions(+), 918 deletions(-)
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next prev parent reply other threads:[~2011-02-17 17:36 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 16:23 [PATCH 00/17] mm: mmu_gather rework Peter Zijlstra
2011-02-17 16:23 ` [PATCH 01/17] tile: Fix __pte_free_tlb Peter Zijlstra
2011-02-17 16:23 ` [PATCH 02/17] mm: mmu_gather rework Peter Zijlstra
2011-03-10 15:50 ` Mel Gorman
2011-03-16 18:55 ` Peter Zijlstra
2011-03-16 20:15 ` Geert Uytterhoeven
2011-03-16 21:08 ` Peter Zijlstra
2011-03-21 8:47 ` Avi Kivity
2011-04-01 12:07 ` Peter Zijlstra
2011-04-01 16:13 ` Linus Torvalds
2011-04-02 0:07 ` David Miller
2011-02-17 16:23 ` [PATCH 03/17] powerpc: " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 04/17] sparc: " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 05/17] s390: " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 06/17] arm: " Peter Zijlstra
2011-02-24 16:34 ` Peter Zijlstra
2011-02-25 18:04 ` Peter Zijlstra
2011-02-25 19:45 ` Peter Zijlstra
2011-02-25 19:59 ` Hugh Dickins
2011-02-25 21:51 ` Russell King
2011-02-28 11:44 ` Peter Zijlstra
2011-02-28 11:59 ` Russell King
2011-02-28 12:06 ` Russell King
2011-02-28 12:06 ` Russell King
2011-02-28 12:25 ` Peter Zijlstra
2011-02-28 12:20 ` Peter Zijlstra
2011-02-28 12:28 ` Russell King
2011-02-28 12:49 ` Peter Zijlstra
2011-02-28 12:50 ` Russell King
2011-02-28 13:03 ` Peter Zijlstra
2011-02-28 14:18 ` Peter Zijlstra
2011-02-28 14:57 ` Russell King
2011-02-28 15:05 ` Peter Zijlstra
2011-02-28 15:15 ` Russell King
2011-03-01 22:05 ` Chris Metcalf
2011-03-02 10:54 ` Peter Zijlstra
2011-02-17 16:23 ` [PATCH 07/17] sh: " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 08/17] um: " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 09/17] ia64: " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 10/17] mm: Now that all old mmu_gather code is gone, remove the storage Peter Zijlstra
2011-02-17 16:23 ` [PATCH 11/17] mm, powerpc: Move the RCU page-table freeing into generic code Peter Zijlstra
2011-02-17 16:23 ` [PATCH 12/17] s390: use generic RCP page-table freeing Peter Zijlstra
2011-02-17 16:23 ` [PATCH 13/17] mm: Extended batches for generic mmu_gather Peter Zijlstra
2011-02-17 16:23 ` [PATCH 14/17] mm: Provide generic range tracking and flushing Peter Zijlstra
2011-02-17 16:23 ` [PATCH 15/17] arm, mm: Convert arm to generic tlb Peter Zijlstra
2011-02-17 16:23 ` [PATCH 16/17] ia64, mm: Convert ia64 " Peter Zijlstra
2011-02-17 16:23 ` [PATCH 17/17] sh, mm: Convert sh " Peter Zijlstra
2011-02-17 17:36 ` Peter Zijlstra [this message]
2011-02-17 17:42 ` [PATCH 00/17] mm: mmu_gather rework Peter Zijlstra
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