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From: John Hubbard <jhubbard@nvidia.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	Doug Ledford <dledford@redhat.com>,
	"Mike Marciniszyn" <mike.marciniszyn@intel.com>,
	Dennis Dalessandro <dennis.dalessandro@intel.com>,
	Christian Benvenuti <benve@cisco.com>, "Jan Kara" <jack@suse.cz>
Subject: Re: [PATCH 1/1] infiniband/mm: convert put_page() to put_user_page*()
Date: Thu, 23 May 2019 15:54:08 -0700	[thread overview]
Message-ID: <6a18af65-7071-2531-d767-42ba74ad82c4@nvidia.com> (raw)
In-Reply-To: <050f56d0-1dda-036e-e508-3a7255ac7b59@nvidia.com>

On 5/23/19 3:50 PM, John Hubbard wrote:
> [...] 
> I was thinking of it as a temporary measure, only up until, but not including the
> point where put_user_pages() becomes active. That is, the point when put_user_pages
> starts decrementing GUP_PIN_COUNTING_BIAS, instead of just forwarding to put_page().
> 
> (For other readers, that's this patch:
> 
>     "mm/gup: debug tracking of get_user_pages() references"
> 
> ...in https://github.com/johnhubbard/linux/tree/gup_dma_core )
> 

Arggh, correction, I meant this patch:

    "mm/gup: track gup-pinned pages"

...sorry for any confusion there.

thanks,
-- 
John Hubbard
NVIDIA


  reply	other threads:[~2019-05-23 22:54 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-23  7:25 [PATCH 0/1] " john.hubbard
2019-05-23  7:25 ` [PATCH 1/1] " john.hubbard
2019-05-23 15:31   ` Jerome Glisse
2019-05-23 17:56     ` John Hubbard
2019-05-23 17:28   ` Ira Weiny
2019-05-23 17:32     ` Jason Gunthorpe
2019-05-23 17:46       ` John Hubbard
2019-05-23 19:04         ` Ira Weiny
2019-05-23 19:13           ` John Hubbard
2019-05-23 22:37             ` Ira Weiny
2019-05-23 22:50               ` John Hubbard
2019-05-23 22:54                 ` John Hubbard [this message]
2019-05-23 19:17         ` Jason Gunthorpe

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