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From: John Hubbard <jhubbard@nvidia.com>
To: Tom Talpey <tom@talpey.com>, <john.hubbard@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>, <linux-mm@kvack.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	Christian Benvenuti <benve@cisco.com>,
	Christoph Hellwig <hch@infradead.org>,
	Christopher Lameter <cl@linux.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Dave Chinner <david@fromorbit.com>,
	Dennis Dalessandro <dennis.dalessandro@intel.com>,
	Doug Ledford <dledford@redhat.com>, Jan Kara <jack@suse.cz>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Jerome Glisse <jglisse@redhat.com>,
	Matthew Wilcox <willy@infradead.org>,
	Michal Hocko <mhocko@kernel.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Mike Marciniszyn <mike.marciniszyn@intel.com>,
	Ralph Campbell <rcampbell@nvidia.com>,
	LKML <linux-kernel@vger.kernel.org>,
	<linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 0/6] RFC v2: mm: gup/dma tracking
Date: Tue, 5 Feb 2019 13:55:59 -0800	[thread overview]
Message-ID: <e2bac0b5-f81f-c2f1-95eb-214c64e89ee0@nvidia.com> (raw)
In-Reply-To: <303ab506-62b7-ee6d-27a0-a818c7ff6473@talpey.com>

On 2/5/19 5:38 AM, Tom Talpey wrote:
> 
> Ok, I'm satisfied the four-9's latency spike is in not your code. :-)
> Results look good relative to baseline. Thanks for doublechecking!
> 
> Tom.


Great, in that case, I'll put the new before-and-after results in the next 
version. Appreciate your help here, as always!

thanks,
-- 
John Hubbard
NVIDIA

      reply	other threads:[~2019-02-05 21:56 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-04  5:21 [PATCH 0/6] RFC v2: mm: gup/dma tracking john.hubbard
2019-02-04  5:21 ` [PATCH 1/6] mm: introduce put_user_page*(), placeholder versions john.hubbard
2019-02-04  5:21 ` [PATCH 2/6] infiniband/mm: convert put_page() to put_user_page*() john.hubbard
2019-02-04  5:21 ` [PATCH 3/6] mm: page_cache_add_speculative(): refactoring john.hubbard
2019-02-04  5:21 ` [PATCH 4/6] mm/gup: track gup-pinned pages john.hubbard
2019-02-04 18:19   ` Matthew Wilcox
2019-02-04 19:11     ` John Hubbard
2019-02-20 19:24   ` Ira Weiny
2019-02-20 20:22     ` John Hubbard
2019-02-04  5:21 ` [PATCH 5/6] mm/gup: /proc/vmstat support for get/put user pages john.hubbard
2019-02-04  5:21 ` [PATCH 6/6] mm/gup: Documentation/vm/get_user_pages.rst, MAINTAINERS john.hubbard
2019-02-05 16:40   ` Mike Rapoport
2019-02-05 21:53     ` John Hubbard
2019-02-04 16:08 ` [PATCH 0/6] RFC v2: mm: gup/dma tracking Christopher Lameter
2019-02-04 16:12   ` Christoph Hellwig
2019-02-04 16:59     ` Christopher Lameter
2019-02-04 17:14 ` Christopher Lameter
2019-02-04 17:51   ` Jason Gunthorpe
2019-02-04 18:21     ` Christopher Lameter
2019-02-04 19:09       ` Matthew Wilcox
2019-02-04 23:35   ` Ira Weiny
2019-02-05 19:30     ` Christopher Lameter
2019-02-05  1:41 ` Tom Talpey
2019-02-05  8:22   ` John Hubbard
2019-02-05 13:38     ` Tom Talpey
2019-02-05 21:55       ` John Hubbard [this message]

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