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From: Will Deacon <will.deacon@arm.com>
To: lkp@lists.01.org
Subject: Re: [mm] 721c21c17ab: +11.7% will-it-scale.per_thread_ops
Date: Tue, 03 Feb 2015 10:27:46 +0000	[thread overview]
Message-ID: <20150203102746.GA25497@arm.com> (raw)
In-Reply-To: <1422949504.13951.5.camel@linux.intel.com>

[-- Attachment #1: Type: text/plain, Size: 479 bytes --]

On Tue, Feb 03, 2015 at 07:45:04AM +0000, Huang Ying wrote:
> FYI, we noticed the below changes on
> 
> commit 721c21c17ab958abf19a8fc611c3bd4743680e38 ("mm: mmu_gather: use
> tlb->end != 0 only for TLB invalidation")

Is this delta relative to the previous commit, or something else? The
commit in question restored some 3.18 behaviour on task exit (namely
doing a fullmm TLB flush), so it would be interesting to know if you
see the same change against 3.18.

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Huang Ying <ying.huang@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>, LKP ML <lkp@01.org>
Subject: Re: [LKP] [mm] 721c21c17ab: +11.7% will-it-scale.per_thread_ops
Date: Tue, 3 Feb 2015 10:27:46 +0000	[thread overview]
Message-ID: <20150203102746.GA25497@arm.com> (raw)
In-Reply-To: <1422949504.13951.5.camel@linux.intel.com>

On Tue, Feb 03, 2015 at 07:45:04AM +0000, Huang Ying wrote:
> FYI, we noticed the below changes on
> 
> commit 721c21c17ab958abf19a8fc611c3bd4743680e38 ("mm: mmu_gather: use
> tlb->end != 0 only for TLB invalidation")

Is this delta relative to the previous commit, or something else? The
commit in question restored some 3.18 behaviour on task exit (namely
doing a fullmm TLB flush), so it would be interesting to know if you
see the same change against 3.18.

Will

  reply	other threads:[~2015-02-03 10:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-03  7:45 [mm] 721c21c17ab: +11.7% will-it-scale.per_thread_ops Huang Ying
2015-02-03  7:45 ` [LKP] " Huang Ying
2015-02-03 10:27 ` Will Deacon [this message]
2015-02-03 10:27   ` Will Deacon
2015-02-05  5:41   ` Huang Ying
2015-02-05  5:41     ` [LKP] " Huang Ying
2015-02-12  4:56     ` Huang Ying
2015-02-12  4:56       ` [LKP] " Huang Ying

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