From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Michal Wilczynski <m.wilczynski@samsung.com>
Cc: Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Russell King <linux@armlinux.org.uk>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>, Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Minchan Kim <minchan@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,
linux-s390@vger.kernel.org, linux-block@vger.kernel.org,
Yann Collet <yann.collet.73@gmail.com>,
Nick Terrell <terrelln@meta.com>, Gao Xiang <xiang@kernel.org>,
Chao Yu <chao@kernel.org>, Jaegeuk Kim <jaegeuk@kernel.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
Phillip Lougher <phillip@squashfs.org.uk>,
Sungguk <sungguk.na@samsung.com>,
Jaehoon Chung <jh80.chung@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
linux-erofs@lists.ozlabs.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-crypto@vger.kernel.org,
Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: Re: [PATCH RFC 0/9] lib/lz4: stop forking upstream LZ4, vendor it instead
Date: Mon, 28 Sep 2026 17:27:23 +0900 [thread overview]
Message-ID: <arokqo4gVQVglkBa@google.com> (raw)
In-Reply-To: <arnr-Su0uJdK_rOb@google.com>
On (26/09/28 13:25), Sergey Senozhatsky wrote:
> On my x86_64 build .text size change seems to be quite significant:
>
> ./scripts/bloat-o-meter lib/lz4/lz4_compress-old.ko lib/lz4/lz4_compress.ko
> add/remove: 0/2 grow/shrink: 5/1 up/down: 8022/-1755 (6267)
> Function old new delta
> LZ4_compress_fast_continue 6028 10486 +4458
> LZ4_compress_destSize 158 3112 +2954
> LZ4_compress_fast_extState 4078 4597 +519
> LZ4_saveDict 82 153 +71
> __UNIQUE_ID_modinfo_466 52 72 +20
> __pfx_LZ4_compress_destSize_generic 16 - -16
> LZ4_loadDict 261 204 -57
> LZ4_compress_destSize_generic 1682 - -1682
> Total: Before=14756, After=21023, chg +42.47%
D'oh you actually point that out in the commit message, sorry for the noise.
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Michal Wilczynski <m.wilczynski@samsung.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
linux-mips@vger.kernel.org,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Bill Wendling <morbo@google.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Sungguk <sungguk.na@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
linux-s390@vger.kernel.org,
Herbert Xu <herbert@gondor.apana.org.au>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Helge Deller <deller@gmx.de>,
x86@kernel.org, Russell King <linux@armlinux.org.uk>,
Ingo Molnar <mingo@redhat.com>,
Yann Collet <yann.collet.73@gmail.com>,
Gao Xiang <xiang@kernel.org>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
llvm@lists.linux.dev, Vasily Gorbik <gor@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
linux-crypto@vger.kernel.org,
Nathan Chancellor <nathan@kernel.org>,
Nick Terrell <terrelln@meta.com>, Borislav Petkov <bp@alien8.de>,
Jaegeuk Kim <jaegeuk@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-parisc@vger.kernel.org,
Nick Desaulniers <ndesaulniers@google.com>,
linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
Minchan Kim <minchan@kernel.org>,
Thomas Gleixner <tglx@kernel.org>,
Justin Stitt <justinstitt@google.com>,
Phillip Lougher <phillip@squashfs.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-erofs@lists.ozlabs.org
Subject: Re: [f2fs-dev] [PATCH RFC 0/9] lib/lz4: stop forking upstream LZ4, vendor it instead
Date: Mon, 28 Sep 2026 17:27:23 +0900 [thread overview]
Message-ID: <arokqo4gVQVglkBa@google.com> (raw)
In-Reply-To: <arnr-Su0uJdK_rOb@google.com>
On (26/09/28 13:25), Sergey Senozhatsky wrote:
> On my x86_64 build .text size change seems to be quite significant:
>
> ./scripts/bloat-o-meter lib/lz4/lz4_compress-old.ko lib/lz4/lz4_compress.ko
> add/remove: 0/2 grow/shrink: 5/1 up/down: 8022/-1755 (6267)
> Function old new delta
> LZ4_compress_fast_continue 6028 10486 +4458
> LZ4_compress_destSize 158 3112 +2954
> LZ4_compress_fast_extState 4078 4597 +519
> LZ4_saveDict 82 153 +71
> __UNIQUE_ID_modinfo_466 52 72 +20
> __pfx_LZ4_compress_destSize_generic 16 - -16
> LZ4_loadDict 261 204 -57
> LZ4_compress_destSize_generic 1682 - -1682
> Total: Before=14756, After=21023, chg +42.47%
D'oh you actually point that out in the commit message, sorry for the noise.
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next prev parent reply other threads:[~2026-09-28 8:27 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20260925113450eucas1p2fcf838f00f35e1bce0ca04a694cd0cd2@eucas1p2.samsung.com>
2026-09-25 11:27 ` [PATCH RFC 0/9] lib/lz4: stop forking upstream LZ4, vendor it instead Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:27 ` [PATCH RFC 1/9] lib/lz4: import upstream LZ4 sources verbatim Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:38 ` sashiko-bot
2026-09-28 4:12 ` Sergey Senozhatsky
2026-09-28 4:12 ` [f2fs-dev] " Sergey Senozhatsky
2026-10-03 23:34 ` Michal Wilczynski
2026-10-03 23:34 ` [f2fs-dev] " Michal Wilczynski
2026-09-28 5:19 ` Sergey Senozhatsky
2026-09-28 5:19 ` [f2fs-dev] " Sergey Senozhatsky
2026-10-03 23:50 ` Michal Wilczynski
2026-10-03 23:50 ` [f2fs-dev] " Michal Wilczynski
2026-10-04 8:33 ` David Laight
2026-10-04 8:33 ` [f2fs-dev] " David Laight
2026-09-30 6:07 ` Sergey Senozhatsky
2026-09-30 6:07 ` [f2fs-dev] " Sergey Senozhatsky
2026-10-03 23:52 ` Michal Wilczynski
2026-10-03 23:52 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:27 ` [PATCH RFC 2/9] lib/lz4: backport upstream's -Wmissing-prototypes fix Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:42 ` sashiko-bot
2026-09-25 11:27 ` [PATCH RFC 3/9] lib/lz4: add the build environment for the vendored sources Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:47 ` sashiko-bot
2026-09-28 5:48 ` Sergey Senozhatsky
2026-09-28 5:48 ` [f2fs-dev] " Sergey Senozhatsky
2026-10-04 0:05 ` Michal Wilczynski
2026-10-04 0:05 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:27 ` [PATCH RFC 4/9] arch: boot: put the LZ4 freestanding headers on the decompressor path Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:43 ` sashiko-bot
2026-09-25 11:27 ` [PATCH RFC 5/9] lib/lz4: switch the compressor to the vendored sources Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:43 ` sashiko-bot
2026-09-25 11:27 ` [PATCH RFC 6/9] lib/lz4: switch the HC " Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:43 ` sashiko-bot
2026-09-25 11:27 ` [PATCH RFC 7/9] lib/lz4: switch the decompressor " Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:42 ` sashiko-bot
2026-09-28 4:16 ` Sergey Senozhatsky
2026-09-28 4:16 ` [f2fs-dev] " Sergey Senozhatsky
2026-10-03 23:38 ` Michal Wilczynski
2026-10-03 23:38 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:27 ` [PATCH RFC 8/9] lib/lz4: fold lz4_kernel_api.h into <linux/lz4.h> Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 11:43 ` sashiko-bot
2026-09-25 11:27 ` [PATCH RFC 9/9] MAINTAINERS: add an entry for the LZ4 compression library Michal Wilczynski
2026-09-25 11:27 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 21:39 ` Eric Biggers
2026-09-25 21:39 ` [f2fs-dev] " Eric Biggers via Linux-f2fs-devel
2026-10-03 22:45 ` Michal Wilczynski
2026-10-03 22:45 ` [f2fs-dev] " Michal Wilczynski
2026-09-25 22:07 ` [PATCH RFC 0/9] lib/lz4: stop forking upstream LZ4, vendor it instead Eric Biggers
2026-09-25 22:07 ` [f2fs-dev] " Eric Biggers via Linux-f2fs-devel
2026-09-28 4:25 ` Sergey Senozhatsky
2026-09-28 4:25 ` [f2fs-dev] " Sergey Senozhatsky
2026-09-28 8:27 ` Sergey Senozhatsky [this message]
2026-09-28 8:27 ` Sergey Senozhatsky
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