From: Yosry Ahmed <yosryahmed@google.com>
To: Chris Li <chrisl@kernel.org>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
"Wei Xu" <weixugc@google.com>, "Yu Zhao" <yuzhao@google.com>,
"Greg Thelen" <gthelen@google.com>,
"Chun-Tse Shao" <ctshao@google.com>,
"Suren Baghdasaryan" <surenb@google.com>,
"Brain Geffon" <bgeffon@google.com>,
"Minchan Kim" <minchan@kernel.org>,
"Michal Hocko" <mhocko@suse.com>,
"Mel Gorman" <mgorman@techsingularity.net>,
"Huang Ying" <ying.huang@intel.com>,
"Nhat Pham" <nphamcs@gmail.com>,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Kairui Song" <kasong@tencent.com>,
"Zhongkun He" <hezhongkun.hzk@bytedance.com>,
"Kemeng Shi" <shikemeng@huaweicloud.com>,
"Barry Song" <v-songbaohua@oppo.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Joel Fernandes" <joel@joelfernandes.org>,
"Chengming Zhou" <zhouchengming@bytedance.com>
Subject: Re: [PATCH 2/2] mm: zswap.c: remove RB tree
Date: Fri, 19 Jan 2024 11:37:44 -0800 [thread overview]
Message-ID: <CAJD7tkYvxWPfKTQC_yEZaC5w+gefextWbH6bXMLjqCPiX0Tebw@mail.gmail.com> (raw)
In-Reply-To: <CAF8kJuPXrkN3XRvpgf4t-afxU-JpcNGVKyoXXwiEXMypchaEGg@mail.gmail.com>
> > If this is doable, I think we can return xa_store(..) and keep the
> > logic in the caller. I think there's a chance
> > zswap_{search/insert/erase} may end up being very thin wrappers around
> > xa_{load/store/erase}, and we may be able to remove them completely.
> > Let's see how it goes.
> >
>
> See my other email about erasing an entry raced into a new entry. That
> is the part I am not certain.
> Anyway, when zswap adopte folio, then it might need to handle multi
> entry, we will be back to using the XAS API.
Handling large folios in zswap is a much larger topic that involves a
lot more than this xa_* vs. xas_* apis dispute. Let's not worry about
this for now.
next prev parent reply other threads:[~2024-01-19 19:38 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-18 3:05 [PATCH 0/2] RFC: zswap tree use xarray instead of " Chris Li
2024-01-18 3:05 ` [PATCH 1/2] mm: zswap.c: add xarray tree to zswap Chris Li
2024-01-18 6:20 ` Yosry Ahmed
2024-01-18 13:52 ` Matthew Wilcox
2024-01-18 16:59 ` Yosry Ahmed
2024-01-18 18:25 ` Matthew Wilcox
2024-01-19 5:28 ` Chris Li
2024-01-19 19:30 ` Yosry Ahmed
2024-01-19 5:24 ` Chris Li
2024-01-19 19:29 ` Yosry Ahmed
2024-01-19 20:04 ` Matthew Wilcox
2024-01-19 21:41 ` Yosry Ahmed
2024-01-19 22:05 ` Chris Li
2024-01-19 22:08 ` Yosry Ahmed
2024-01-18 3:05 ` [PATCH 2/2] mm: zswap.c: remove RB tree Chris Li
2024-01-18 6:35 ` Yosry Ahmed
2024-01-18 19:35 ` Yosry Ahmed
2024-01-19 5:49 ` Chris Li
2024-01-19 19:37 ` Yosry Ahmed [this message]
2024-01-19 5:43 ` Chris Li
2024-01-19 19:36 ` Yosry Ahmed
2024-01-19 21:31 ` Chris Li
2024-01-19 21:44 ` Yosry Ahmed
2024-01-18 6:01 ` [PATCH 0/2] RFC: zswap tree use xarray instead of " Yosry Ahmed
2024-01-18 6:39 ` Yosry Ahmed
2024-01-18 6:57 ` Chengming Zhou
2024-01-18 7:02 ` Yosry Ahmed
2024-01-18 7:19 ` Chris Li
2024-01-18 7:35 ` Chengming Zhou
2024-01-19 4:59 ` Chris Li
2024-01-19 6:18 ` Chengming Zhou
2024-01-19 10:26 ` Chris Li
2024-01-19 11:12 ` Chengming Zhou
2024-01-19 11:59 ` Chris Li
2024-01-18 6:48 ` Christopher Li
2024-01-18 7:05 ` Yosry Ahmed
2024-01-18 7:28 ` Chris Li
2024-01-18 17:14 ` Yosry Ahmed
2024-01-18 14:48 ` Johannes Weiner
2024-01-18 18:59 ` Liam R. Howlett
2024-01-19 5:13 ` Chris Li
2024-01-18 18:01 ` Nhat Pham
2024-01-19 5:14 ` Chris Li
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