Linux cryptographic layer development
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From: Michal Wilczynski <m.wilczynski@samsung.com>
To: Sergey Senozhatsky <senozhatsky@chromium.org>
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>,
	Eric Biggers <ebiggers@kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	David Laight <david.laight.linux@gmail.com>,
	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
Subject: Re: [PATCH v2 10/15] lib/lz4: switch the compressor to the vendored sources
Date: Thu, 12 Nov 2026 13:02:55 +0100	[thread overview]
Message-ID: <46236db8-c386-4db6-a8cd-e08073a5db0a@samsung.com> (raw)
In-Reply-To: <avKs4_S7r6EiUVgC@google.com>



On 11/10/26 06:36, Sergey Senozhatsky wrote:
> On (26/11/06 15:42), Michal Wilczynski wrote:
> [..]
>> diff --git a/drivers/block/zram/backend_lz4.c b/drivers/block/zram/backend_lz4.c
>> index 1e4ad31d39a63f45b3bddd3d8a467d8d7d095beb..50265e3ce256490994cb6dae32a45da376e408e0 100644
>> --- a/drivers/block/zram/backend_lz4.c
>> +++ b/drivers/block/zram/backend_lz4.c
>> @@ -42,7 +42,7 @@ static int lz4_setup_params(struct zcomp_params *params)
>>  	if (!params->dict || !params->dict_sz)
>>  		return 0;
>>  
>> -	dict_stream = kzalloc_obj(*dict_stream);
>> +	dict_stream = kzalloc(LZ4_MEM_COMPRESS, GFP_KERNEL);
>>  	if (!dict_stream)
>>  		return -ENOMEM;
>>  
>> @@ -88,7 +88,7 @@ static int lz4_create(struct zcomp_params *params, struct zcomp_ctx *ctx)
>>  		if (!zctx->dstrm)
>>  			goto error;
>>  
>> -		zctx->cstrm = kzalloc_obj(*zctx->cstrm);
>> +		zctx->cstrm = kzalloc(LZ4_MEM_COMPRESS, GFP_KERNEL);
>>  		if (!zctx->cstrm)
>>  			goto error;
>>  	}
>> @@ -112,7 +112,7 @@ static int lz4_compress(struct zcomp_params *params, struct zcomp_ctx *ctx,
>>  					zctx->mem);
>>  	} else {
>>  		/* Cstrm needs to be reset */
>> -		memcpy(zctx->cstrm, params->drv_data, sizeof(*zctx->cstrm));
>> +		memcpy(zctx->cstrm, params->drv_data, LZ4_MEM_COMPRESS);
>>  		ret = LZ4_compress_fast_continue(zctx->cstrm, req->src,
>>  						 req->dst, req->src_len,
>>  						 req->dst_len, params->level);
> 
> The zram code here is outdated, it has been reworked quite a bit
> (patches are in linux-next and Andrew's trees).
> 

Right, I'll rebase on linux-next.

Best regards,
-- 
Michal Wilczynski <m.wilczynski@samsung.com>

  reply	other threads:[~2026-11-12 12:03 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20261106144247eucas1p15bdd0704f32d1cb3b19f9d2296a0cbc3@eucas1p1.samsung.com>
2026-11-06 14:42 ` [PATCH v2 00/15] lib/lz4: stop forking upstream LZ4, vendor it instead Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 01/15] lib/decompress_unlz4: use LZ4_decompress_safe_partial() before boot Michal Wilczynski
2026-11-06 14:59     ` sashiko-bot
2026-11-06 14:42   ` [PATCH v2 02/15] lib/lz4: remove LZ4_decompress_fast() and its variants Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 03/15] zram: lz4hc: reset the dictionary stream once, not per page Michal Wilczynski
2026-11-06 14:49     ` sashiko-bot
2026-11-10  5:31       ` Sergey Senozhatsky
2026-11-12 11:50         ` Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 04/15] lib/lz4: import upstream LZ4 sources verbatim Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 05/15] lib/lz4: backport upstream's -Wmissing-prototypes fix Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 06/15] lib/lz4: backport upstream's aarch64 fast decode loop enablement Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 07/15] lib/lz4: backport upstream's match length limit fix Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 08/15] lib/lz4: add the build environment for the vendored sources Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 09/15] arch: boot: put the LZ4 freestanding headers on the decompressor path Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 10/15] lib/lz4: switch the compressor to the vendored sources Michal Wilczynski
2026-11-10  5:36     ` Sergey Senozhatsky
2026-11-12 12:02       ` Michal Wilczynski [this message]
2026-11-06 14:42   ` [PATCH v2 11/15] lib/lz4: switch the HC " Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 12/15] lib/lz4: widen LZ4_DECOMPRESS_INPLACE_MARGIN for the fast decode loop Michal Wilczynski
2026-11-11 22:02     ` Gao Xiang
2026-11-12 12:40       ` Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 13/15] lib/lz4: switch the decompressor to the vendored sources Michal Wilczynski
2026-11-10  5:39     ` Sergey Senozhatsky
2026-11-12 12:06       ` Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 14/15] lib/lz4: replace lz4_kernel_api.h's prototypes with <linux/lz4.h> Michal Wilczynski
2026-11-06 14:42   ` [PATCH v2 15/15] MAINTAINERS: add an entry for the LZ4 compression library Michal Wilczynski
2026-11-12 11:25   ` [PATCH v2 00/15] lib/lz4: stop forking upstream LZ4, vendor it instead Michal Wilczynski

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