From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Yosry Ahmed <yosry.ahmed@linux.dev>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan@kernel.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Nhat Pham <nphamcs@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 5/6] zsmalloc: introduce handle mapping API
Date: Tue, 28 Jan 2025 10:13:00 +0900 [thread overview]
Message-ID: <xlclsibpdk4d5unc34movxduvmhibsufctscudrdzxsovncwe6@3lrijye7zvlc> (raw)
In-Reply-To: <Z5gpr-2u_bqiVpHa@google.com>
On (25/01/28 00:49), Yosry Ahmed wrote:
> > Preemption is disabled via zspage-s rwlock_t - zs_map_object() returns
> > with it being locked and it's being unlocked in zs_unmap_object(). Then
> > the function disables pagefaults and per-CPU local lock (protects per-CPU
> > vm-area) additionally disables preemption.
>
> Right, I meant it does not always disable page faults.
I'll add "sometimes" :)
[..]
> Anyway, if this function will be removed soon then it's not worth
> revisiting it now.
Ack.
next prev parent reply other threads:[~2025-01-28 1:13 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-27 7:59 [RFC PATCH 0/6] zsmalloc: make zsmalloc preemptible Sergey Senozhatsky
2025-01-27 7:59 ` [RFC PATCH 1/6] zram: deffer slot free notification Sergey Senozhatsky
2025-01-27 7:59 ` [RFC PATCH 2/6] zsmalloc: make zspage lock preemptible Sergey Senozhatsky
2025-01-27 20:23 ` Uros Bizjak
2025-01-28 0:29 ` Sergey Senozhatsky
2025-01-27 7:59 ` [RFC PATCH 3/6] zsmalloc: convert to sleepable pool lock Sergey Senozhatsky
2025-01-27 7:59 ` [RFC PATCH 4/6] zsmalloc: make class lock sleepable Sergey Senozhatsky
2025-01-27 7:59 ` [RFC PATCH 5/6] zsmalloc: introduce handle mapping API Sergey Senozhatsky
2025-01-27 21:26 ` Yosry Ahmed
2025-01-28 0:37 ` Sergey Senozhatsky
2025-01-28 0:49 ` Yosry Ahmed
2025-01-28 1:13 ` Sergey Senozhatsky [this message]
2025-01-27 21:58 ` Yosry Ahmed
2025-01-28 0:59 ` Sergey Senozhatsky
2025-01-28 1:36 ` Yosry Ahmed
2025-01-28 5:29 ` Sergey Senozhatsky
2025-01-28 9:38 ` Sergey Senozhatsky
2025-01-28 17:21 ` Yosry Ahmed
2025-01-29 3:32 ` Sergey Senozhatsky
2025-01-28 11:10 ` Sergey Senozhatsky
2025-01-28 17:22 ` Yosry Ahmed
2025-01-28 23:01 ` Sergey Senozhatsky
2025-01-29 5:40 ` Sergey Senozhatsky
2025-01-27 7:59 ` [RFC PATCH 6/6] zram: switch over to zshandle " Sergey Senozhatsky
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=xlclsibpdk4d5unc34movxduvmhibsufctscudrdzxsovncwe6@3lrijye7zvlc \
--to=senozhatsky@chromium.org \
--cc=akpm@linux-foundation.org \
--cc=hannes@cmpxchg.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=minchan@kernel.org \
--cc=nphamcs@gmail.com \
--cc=yosry.ahmed@linux.dev \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox