linux-kernel - Re: [f2fs-dev] [PATCH v2] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <167519222008.20142.15227307379912347562.git-patchwork-notify@kernel.org>
Date:   Tue, 31 Jan 2023 19:10:20 +0000
From:   patchwork-bot+f2fs@...nel.org
To:     Chao Yu <chao@...nel.org>
Cc:     jaegeuk@...nel.org, linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: reduce stack memory cost by using
 bitfield in struct f2fs_io_info

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@...nel.org>:

On Mon, 30 Jan 2023 09:20:12 +0800 you wrote:
> This patch tries to use bitfield in struct f2fs_io_info to improve
> memory usage.
> 
> struct f2fs_io_info {
> ...
> 	int need_lock:8;	/* indicate we need to lock cp_rwsem */
> 	int version:8;		/* version of the node */
> 	int submitted:1;	/* indicate IO submission */
> 	int in_list:1;		/* indicate fio is in io_list */
> 	int is_por:1;		/* indicate IO is from recovery or not */
> 	int retry:1;		/* need to reallocate block address */
> 	int encrypted:1;	/* indicate file is encrypted */
> 	int post_read:1;	/* require post read */
> ...
> };
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io_info
    https://git.kernel.org/jaegeuk/f2fs/c/998863dadd2c

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html