All of lore.kernel.org
 help / color / mirror / Atom feed
From: Chris Li <chrisl@kernel.org>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: Yosry Ahmed <yosryahmed@google.com>,
	lsf-pc@lists.linux-foundation.org,
	Johannes Weiner <hannes@cmpxchg.org>,
	Linux-MM <linux-mm@kvack.org>, Michal Hocko <mhocko@kernel.org>,
	Shakeel Butt <shakeelb@google.com>,
	David Rientjes <rientjes@google.com>,
	Hugh Dickins <hughd@google.com>,
	Seth Jennings <sjenning@redhat.com>,
	Dan Streetman <ddstreet@ieee.org>,
	Vitaly Wool <vitaly.wool@konsulko.com>,
	Yang Shi <shy828301@gmail.com>, Peter Xu <peterx@redhat.com>,
	Minchan Kim <minchan@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Aneesh Kumar K V <aneesh.kumar@linux.ibm.com>,
	Michal Hocko <mhocko@suse.com>, Wei Xu <weixugc@google.com>
Subject: Re: [LSF/MM/BPF TOPIC] Swap Abstraction / Native Zswap
Date: Thu, 23 Mar 2023 11:28:18 -0700	[thread overview]
Message-ID: <ZByaQj1szBqoZN0z@google.com> (raw)
In-Reply-To: <871qlgrm5j.fsf@yhuang6-desk2.ccr.corp.intel.com>

On Thu, Mar 23, 2023 at 02:56:24PM +0800, Huang, Ying wrote:
> >
> > Let's assume the swap entry in device A has more than one user.
> > e.g. Swap entry A1 on device A is shared by three different
> > process. It is installed in three PTE locations.
> 
> With indirection, the swap ID (swap_desc index) will be installed in
> PTEs instead of the swap entry itself.

Thanks for the clarification. If we have swap_desc index in the PTE,
let's call it S1. I assume S1 will contain A1 and B1 as part of the
swap_desc struct.

Now we are getting to some very interesting details.

What is the life cycle of the S1? Does S1 share the same index as A1?

Chris




  reply	other threads:[~2023-03-23 18:28 UTC|newest]

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-18 22:38 [LSF/MM/BPF TOPIC] Swap Abstraction / Native Zswap Yosry Ahmed
2023-02-19  4:31 ` Matthew Wilcox
2023-02-19  9:34   ` Yosry Ahmed
2023-02-28 23:22   ` Chris Li
2023-03-01  0:08     ` Matthew Wilcox
2023-03-01 23:22       ` Chris Li
2023-02-21 18:39 ` Yang Shi
2023-02-21 18:56   ` Yosry Ahmed
2023-02-21 19:26     ` Yang Shi
2023-02-21 19:46       ` Yosry Ahmed
2023-02-21 23:34         ` Yang Shi
2023-02-21 23:38           ` Yosry Ahmed
2023-02-22 16:57             ` Johannes Weiner
2023-02-22 22:46               ` Yosry Ahmed
2023-02-28  4:29                 ` Kalesh Singh
2023-02-28  8:09                   ` Yosry Ahmed
2023-02-28  4:54 ` Sergey Senozhatsky
2023-02-28  8:12   ` Yosry Ahmed
2023-02-28 23:29     ` Minchan Kim
2023-03-02  0:58       ` Yosry Ahmed
2023-03-02  1:25         ` Yosry Ahmed
2023-03-02 17:05         ` Chris Li
2023-03-02 17:47         ` Chris Li
2023-03-02 18:15           ` Johannes Weiner
2023-03-02 18:56             ` Chris Li
2023-03-02 18:23           ` Rik van Riel
2023-03-02 21:42             ` Chris Li
2023-03-02 22:36               ` Rik van Riel
2023-03-02 22:55                 ` Yosry Ahmed
2023-03-03  4:05                   ` Chris Li
2023-03-03  0:01                 ` Chris Li
2023-03-02 16:58       ` Chris Li
2023-03-01 10:44     ` Sergey Senozhatsky
2023-03-02  1:01       ` Yosry Ahmed
2023-02-28 23:11 ` Chris Li
2023-03-02  0:30   ` Yosry Ahmed
2023-03-02  1:00     ` Yosry Ahmed
2023-03-02 16:51     ` Chris Li
2023-03-03  0:33     ` Minchan Kim
2023-03-03  0:49       ` Yosry Ahmed
2023-03-03  1:25         ` Minchan Kim
2023-03-03 17:15           ` Yosry Ahmed
2023-03-09 12:48     ` Huang, Ying
2023-03-09 19:58       ` Chris Li
2023-03-09 20:19       ` Yosry Ahmed
2023-03-10  3:06         ` Huang, Ying
2023-03-10 23:14           ` Chris Li
2023-03-13  1:10             ` Huang, Ying
2023-03-15  7:41               ` Yosry Ahmed
2023-03-16  1:42                 ` Huang, Ying
2023-03-11  1:06           ` Yosry Ahmed
2023-03-13  2:12             ` Huang, Ying
2023-03-15  8:01               ` Yosry Ahmed
2023-03-16  7:50                 ` Huang, Ying
2023-03-17 10:19                   ` Yosry Ahmed
2023-03-17 18:19                     ` Chris Li
2023-03-17 18:23                       ` Yosry Ahmed
2023-03-20  2:55                     ` Huang, Ying
2023-03-20  6:25                       ` Chris Li
2023-03-23  0:56                         ` Huang, Ying
2023-03-23  6:46                           ` Chris Li
2023-03-23  6:56                             ` Huang, Ying
2023-03-23 18:28                               ` Chris Li [this message]
2023-03-23 18:40                                 ` Yosry Ahmed
2023-03-23 19:49                                   ` Chris Li
2023-03-23 19:54                                     ` Yosry Ahmed
2023-03-23 21:10                                       ` Chris Li
2023-03-24 17:28                                       ` Chris Li
2023-03-22  5:56                       ` Yosry Ahmed
2023-03-23  1:48                         ` Huang, Ying
2023-03-23  2:21                           ` Yosry Ahmed
2023-03-23  3:16                             ` Huang, Ying
2023-03-23  3:27                               ` Yosry Ahmed
2023-03-23  5:37                                 ` Huang, Ying
2023-03-23 15:18                                   ` Yosry Ahmed
2023-03-24  2:37                                     ` Huang, Ying
2023-03-24  7:28                                       ` Yosry Ahmed
2023-03-24 17:23                                         ` Chris Li
2023-03-27  1:23                                           ` Huang, Ying
2023-03-28  5:54                                             ` Yosry Ahmed
2023-03-28  6:20                                               ` Huang, Ying
2023-03-28  6:29                                                 ` Yosry Ahmed
2023-03-28  6:59                                                   ` Huang, Ying
2023-03-28  7:59                                                     ` Yosry Ahmed
2023-03-28 14:14                                                       ` Johannes Weiner
2023-03-28 19:59                                                         ` Yosry Ahmed
2023-03-28 21:22                                                           ` Chris Li
2023-03-28 21:30                                                             ` Yosry Ahmed
2023-03-28 20:50                                                       ` Chris Li
2023-03-28 21:01                                                         ` Yosry Ahmed
2023-03-28 21:32                                                           ` Chris Li
2023-03-28 21:44                                                             ` Yosry Ahmed
2023-03-28 22:01                                                               ` Chris Li
2023-03-28 22:02                                                                 ` Yosry Ahmed
2023-03-29  1:31                                                               ` Huang, Ying
2023-03-29  1:41                                                                 ` Yosry Ahmed
2023-03-29 16:04                                                                   ` Chris Li
2023-04-04  8:24                                                                     ` Huang, Ying
2023-04-04  8:10                                                                   ` Huang, Ying
2023-04-04  8:47                                                                     ` Yosry Ahmed
2023-04-06  1:40                                                                       ` Huang, Ying
2023-03-29 15:22                                                                 ` Chris Li
2023-03-10  2:07 ` Luis Chamberlain
2023-03-10  2:15   ` Yosry Ahmed
2023-05-12  3:07 ` Yosry Ahmed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZByaQj1szBqoZN0z@google.com \
    --to=chrisl@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=aneesh.kumar@linux.ibm.com \
    --cc=ddstreet@ieee.org \
    --cc=hannes@cmpxchg.org \
    --cc=hughd@google.com \
    --cc=linux-mm@kvack.org \
    --cc=lsf-pc@lists.linux-foundation.org \
    --cc=mhocko@kernel.org \
    --cc=mhocko@suse.com \
    --cc=minchan@kernel.org \
    --cc=peterx@redhat.com \
    --cc=rientjes@google.com \
    --cc=shakeelb@google.com \
    --cc=shy828301@gmail.com \
    --cc=sjenning@redhat.com \
    --cc=vitaly.wool@konsulko.com \
    --cc=weixugc@google.com \
    --cc=ying.huang@intel.com \
    --cc=yosryahmed@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.