From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Bo Zhang <zhangbo0325@gmail.com>
Cc: baohua@kernel.org, senozhatsky@chromium.org,
akpm@linux-foundation.org, bgeffon@google.com,
minchan@kernel.org, richardycc@google.com,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v3 10/11] zram: use rw_semaphore for decompression streams
Date: Thu, 15 Oct 2026 12:24:08 +0900 [thread overview]
Message-ID: <atBHDEBCVL6Ae0hT@google.com> (raw)
In-Reply-To: <20261015031940.1410875-1-zhangbo56@xiaomi.com>
On (26/10/15 11:19), Bo Zhang wrote:
> I'll also apply Sergey's vm_map_ram() patch (with the memalloc_noio
> fixup) and re-run on-device. Note this only helps the cross-page part
> of our exclusive reads on a stateless backend like lzo-rle; it won't
> change zstd/deflate, which stay exclusive regardless because of
> create_dctx. Will report the numbers separately.
Thanks. I just sent another patch. vm_map_ram() is a little of a
hard sell, I guess, because of TLBs. kmalloc() patch doesn't seem
to be much worse (if worse at all).
next prev parent reply other threads:[~2026-10-15 3:24 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 3:50 [PATCH v3 00/11] zram: redesign zcomp and rework backends Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 01/11] zram: prefix backends printk-s Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 02/11] zram: remove debugfs entry on init failure Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 03/11] zram: zstd: do not allocate empty C/D-dictionaries Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 04/11] zram: lz4hc: pre-initialize dictionary stream in setup_params Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 05/11] zram: lz4: use LZ4_decompress_safe_usingDict() Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 06/11] zram: lz4hc: " Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 07/11] zram: zstd: do not use kvzalloc() for zstd allocations Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 08/11] zram: reset writeback state in zram_reset_device() Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 09/11] zram: split zcomp into separate R/W streams Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 10/11] zram: use rw_semaphore for decompression streams Sergey Senozhatsky
2026-10-14 15:36 ` Bo Zhang
2026-10-14 20:46 ` Barry Song
2026-10-15 2:04 ` Sergey Senozhatsky
2026-10-15 3:19 ` Bo Zhang
2026-10-15 3:24 ` Sergey Senozhatsky [this message]
2026-10-15 1:41 ` Sergey Senozhatsky
2026-10-15 2:11 ` Sergey Senozhatsky
2026-10-15 3:19 ` Sergey Senozhatsky
2026-10-15 5:18 ` Sergey Senozhatsky
2026-10-13 3:50 ` [PATCH v3 11/11] zram: use a singleton compression context for recompression 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=atBHDEBCVL6Ae0hT@google.com \
--to=senozhatsky@chromium.org \
--cc=akpm@linux-foundation.org \
--cc=baohua@kernel.org \
--cc=bgeffon@google.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=minchan@kernel.org \
--cc=richardycc@google.com \
--cc=zhangbo0325@gmail.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.