From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCEEAC352A1 for ; Thu, 1 Dec 2022 00:04:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230313AbiLAAEv (ORCPT ); Wed, 30 Nov 2022 19:04:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229499AbiLAADc (ORCPT ); Wed, 30 Nov 2022 19:03:32 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 197CE8EE43 for ; Wed, 30 Nov 2022 16:01:37 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C2CFFB81D84 for ; Thu, 1 Dec 2022 00:01:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68732C433D7; Thu, 1 Dec 2022 00:01:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1669852894; bh=tAQ189M27GXlGoqQ6focri8iNHN/uGUCF77NSPkkO/M=; h=Date:To:From:Subject:From; b=sxR88d70Triag494D+jbxR6X77o702pARX6Ay3NsWL2Cqs5gAH5rwe+yjN559IKpb /ib9zjkMGGuEj/5drioDtoSDqDJVYxKbN52hI6e658W+ONNX3QlXT6HdGqxdh8SxYH tKxuPF/FRAAtZnoi/9jToUA+deQVkHaa3KqHjfQ4= Date: Wed, 30 Nov 2022 16:01:33 -0800 To: mm-commits@vger.kernel.org, suleiman@google.com, nphamcs@gmail.com, ngupta@vflare.org, minchan@kernel.org, avromanov@sberdevices.ru, senozhatsky@chromium.org, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] zram-remove-redundant-checks-from-zram_recompress.patch removed from -mm tree Message-Id: <20221201000134.68732C433D7@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: zram: remove redundant checks from zram_recompress() has been removed from the -mm tree. Its filename was zram-remove-redundant-checks-from-zram_recompress.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Sergey Senozhatsky Subject: zram: remove redundant checks from zram_recompress() Date: Wed, 9 Nov 2022 20:50:43 +0900 Size class index comparison is powerful enough so we can remove object size comparisons. Link: https://lkml.kernel.org/r/20221109115047.2921851-10-senozhatsky@chromium.org Signed-off-by: Sergey Senozhatsky Acked-by: Minchan Kim Cc: Alexey Romanov Cc: Nhat Pham Cc: Nitin Gupta Cc: Suleiman Souhlal Signed-off-by: Andrew Morton --- drivers/block/zram/zram_drv.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) --- a/drivers/block/zram/zram_drv.c~zram-remove-redundant-checks-from-zram_recompress +++ a/drivers/block/zram/zram_drv.c @@ -1722,9 +1722,7 @@ static int zram_recompress(struct zram * comp_len_new); /* Continue until we make progress */ - if (comp_len_new >= huge_class_size || - comp_len_new >= comp_len_old || - class_index_new >= class_index_old || + if (class_index_new >= class_index_old || (threshold && comp_len_new >= threshold)) { zcomp_stream_put(zram->comps[prio]); continue; @@ -1747,9 +1745,7 @@ static int zram_recompress(struct zram * * that would save memory, mark the object as incompressible so that * we will not try to compress it again. */ - if (comp_len_new >= huge_class_size || - comp_len_new >= comp_len_old || - class_index_new >= class_index_old) { + if (class_index_new >= class_index_old) { zram_set_flag(zram, index, ZRAM_INCOMPRESSIBLE); return 0; } _ Patches currently in -mm which might be from senozhatsky@chromium.org are