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From: Dave Hansen <dave.hansen@intel.com>
To: prakash.sangappa@oracle.com,
	Anshuman Khandual <khandual@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-api@vger.kernel.org, mhocko@suse.com,
	kirill.shutemov@linux.intel.com, n-horiguchi@ah.jp.nec.com,
	drepper@gmail.com, rientjes@google.com,
	Naoya Horiguchi <nao.horiguchi@gmail.com>
Subject: Re: [RFC PATCH] Add /proc/<pid>/numa_vamaps for numa node information
Date: Mon, 7 May 2018 17:05:44 -0700	[thread overview]
Message-ID: <c72fea44-59f3-b106-8311-b5eae2d254e7@intel.com> (raw)
In-Reply-To: <51145ccb-fc0d-0281-9757-fb8a5112ec24@oracle.com>

On 05/07/2018 04:22 PM, prakash.sangappa wrote:
> However, with the proposed new file, we could allow seeking to
> specified virtual address. The lseek offset in this case would
> represent the virtual address of the process. Subsequent read from
> the file would provide VA range to numa node information starting
> from that VA. In case the VA seek'ed to is invalid, it will start 
> from the next valid mapped VA of the process. The implementation
> would not be based on seq_file.

So you're proposing a new /proc/<pid> file that appears next to and is
named very similarly to the exiting /proc/<pid>, but which has entirely
different behavior?

  reply	other threads:[~2018-05-08  0:05 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-02  5:58 [RFC PATCH] Add /proc/<pid>/numa_vamaps for numa node information Prakash Sangappa
2018-05-02 21:33 ` Andrew Morton
2018-05-02 22:28   ` Dave Hansen
2018-05-02 23:17     ` prakash.sangappa
2018-05-03  8:46     ` Anshuman Khandual
2018-05-03 22:27       ` prakash.sangappa
2018-05-03 22:26         ` Dave Hansen
2018-05-07 23:22           ` prakash.sangappa
2018-05-08  0:05             ` Dave Hansen [this message]
2018-05-08  1:16               ` prakash.sangappa
2018-05-09 23:31                 ` Dave Hansen
2018-09-12 20:42                   ` prakash.sangappa
2018-09-12 20:57                     ` prakash.sangappa
2018-09-14  1:33                     ` Jann Horn
2018-09-14  6:21                       ` Michal Hocko
2018-09-14 12:49                         ` Jann Horn
2018-09-14 13:49                           ` Michal Hocko
2018-09-14 18:07                           ` Prakash Sangappa
2018-09-14 18:14                             ` Jann Horn
2018-05-02 23:43   ` prakash.sangappa
2018-05-03  8:57     ` Michal Hocko
2018-05-03 22:37       ` prakash.sangappa
2018-05-04 11:10         ` Michal Hocko
2018-05-03 18:03 ` Christopher Lameter
2018-05-03 22:39   ` prakash.sangappa
2018-05-04 11:12     ` Michal Hocko
2018-05-04 16:18       ` Prakash Sangappa
2018-05-10  7:42         ` Michal Hocko
2018-05-10 16:00           ` Prakash Sangappa
2018-05-11  6:39             ` Michal Hocko
2018-05-04 14:57     ` Christopher Lameter
2018-05-04 16:27       ` Prakash Sangappa
2018-05-07 14:47         ` Christopher Lameter
2018-05-07 22:50           ` prakash.sangappa
2018-05-08 12:53             ` Christopher Lameter
2018-09-12 23:02 Alexey Dobriyan
2018-09-13 22:17 ` prakash.sangappa

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