linux-kernel - Re: [f2fs-dev] [PATCH 1/2] f2fs: use vmalloc instead of kvmalloc in .init_{, de}compress

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Message-Id: 
 <174723723649.2412407.16054768914286290257.git-patchwork-notify@kernel.org>
Date: Wed, 14 May 2025 15:40:36 +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 1/2] f2fs: use vmalloc instead of kvmalloc in
 .init_{, de}compress_ctx

Hello:

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

On Tue, 13 May 2025 13:57:20 +0800 you wrote:
> .init_{,de}compress_ctx uses kvmalloc() to alloc memory, it will try
> to allocate physically continuous page first, it may cause more memory
> allocation pressure, let's use vmalloc instead to mitigate it.
> 
> [Test]
> cd /data/local/tmp
> touch file
> f2fs_io setflags compression file
> f2fs_io getflags file
> for i in $(seq 1 10); do sync; echo 3 > /proc/sys/vm/drop_caches;\
> time f2fs_io write 512 0 4096 zero osync file; truncate -s 0 file;\
> done
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,1/2] f2fs: use vmalloc instead of kvmalloc in .init_{, de}compress_ctx
    https://git.kernel.org/jaegeuk/f2fs/c/10b26e772b10
  - [f2fs-dev,2/2] f2fs: introduce FAULT_VMALLOC
    https://git.kernel.org/jaegeuk/f2fs/c/2c19d65bab04

You are awesome, thank you!
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