From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794046232; b=V4hgTMOHZEaz4iisAsLFLxOoiY8lR1CKQK8YGrUBHckzAJGoc4LAuRDRXgNHW3FPOr0m +JPX3NKObHGRO9lgW6tXuQlqtpDqfurNll85bWFkNgEHEheWslWiYmbVqIGBC4fXwKXaE EAF9DZoIK/VC8+ByqWCODO4Xpllzt/jL5+O3GeCfGgRWw6U874ugzXnBy/tBNZVwe/J20 qtAnVCH6I+8ocqvNA/ibJgJz4cjH+e1kgOk9fjKMRKhwE5d/d2eLR041BqqWcv9HGeXBw JhmsYI+OWxDFNqNPxJp79YlexQ2+YMO0LwaI8JflKGiFM5sGe0EEFWFzlegH0G8VeFA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794046232; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=ogFKrlmDBeMibgwgreNTKLy4+4s/ll73Uk6MafmbZ5E=; b=11/2vu9ttyTRz8IxFVh9DwpOSBnWVzU4MtaemSkNIuBF4pS/IkHRFcI6Gc6dw2rCvt/+ alirLpKPL586EuwuXfArqF4S6867Gnw6rm2uKVvhz4kxbdewM1Asc7lxnByAJ20P0dugz FP5i4Dd82Zp5LhsSnrmzr3sashRXRvtQRqnyhQ3+DUqLWA7FVNYJ+tFQIokiuUPgZnJZB 6nhOcw3S2cZaB6+daGtst9y//JqzEMZjZD6YdeBXN15aj3+ew8OiZfFFNjGa3NU+rqfZy 2+UGnzoCSmOTPCGSywwQr4f9vpClvh+9p59gfwCZclYcw2kz8aUxxUAsksvEbjJv4Yw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=LuEc3X8A; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D97EB606A330 for ; Sat, 7 Nov 2026 10:10:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=LuEc3X8A Received: by smtp.kernel.org (Postfix) with ESMTPSA id BED881F008A1; Sat, 7 Nov 2026 10:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794046231; bh=ogFKrlmDBeMibgwgreNTKLy4+4s/ll73Uk6MafmbZ5E=; h=From:To:Cc:Subject:Date; b=LuEc3X8AsIIFiYf2TcNS+mydEvP4i20egfVEOQGLLzTdId/TAS+tj7/juuW54ysqY coCPrGKbS0AlvkpP00L01bFtDJE8IC86YxDKdY+K/6jMLC5sDXITHEGmwYRGM1csJw 40+GHfeTMN7YTWB0RqVW8PjYIVzu/6vB4SQto77TiggCCisc++7Qd+UGTz1f4O7qD4 5disHyaFGfj6ITgmHuUFie+AObOGMn7nS16TIoyrw78V/oh3Og6Cx7UY8NPS49TbGk Iiq4Bz0fMZ9/0E1UtPBg/j8Z8pCs39/t67+c1RvLAvyIxq6vFNPFCC1c+SKN4fBgDb W3pms3Rhygowg== From: Sasha Levin To: sj@kernel.org, akpm@linux-foundation.org, brendan.higgins@linux.dev, davidgow@davidgow.net, usamaarif642@gmail.com Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] mm/damon/sysfs-schemes: use switch-case in add_scheme_filters()" failed to apply to 6.18-stable tree Date: Sat, 7 Nov 2026 05:10:29 -0500 Message-ID: <20261107051029-failed-6.18-cec08aad3def@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.18-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.18.y git checkout FETCH_HEAD git cherry-pick -x cec08aad3def79bdb7a795a05e7c9a11d577b4f8 # git commit -s git send-email --to '' --in-reply-to '20261107051029-failed-6.18-cec08aad3def@kernel.org' --subject-prefix 'PATCH 6.18.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From cec08aad3def79bdb7a795a05e7c9a11d577b4f8 Mon Sep 17 00:00:00 2001 From: SJ Park Date: Mon, 14 Sep 2026 07:23:23 -0700 Subject: [PATCH] mm/damon/sysfs-schemes: use switch-case in add_scheme_filters() damon_sysfs_add_scheeme_filters() has long if-else chains for DAMOS filter types. Convert the code to use switch-case, which would be cleaner and more efficient. Link: https://lore.kernel.org/20260914142327.92510-7-sj@kernel.org Signed-off-by: SJ Park Signed-off-by: Andrew Morton Cc: Brendan Higgins Cc: David Gow Cc: Usama Arif Cc: --- mm/damon/sysfs-schemes.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index a4ec5d54cfbd1..bfb6f0bc3f213 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2822,7 +2822,8 @@ static int damon_sysfs_add_scheme_filters(struct damos *scheme, if (!filter) return -ENOMEM; - if (filter->type == DAMOS_FILTER_TYPE_MEMCG) { + switch (filter->type) { + case DAMOS_FILTER_TYPE_MEMCG: err = damon_sysfs_memcg_path_to_id( sysfs_filter->memcg_path, &filter->memcg_id); @@ -2830,16 +2831,23 @@ static int damon_sysfs_add_scheme_filters(struct damos *scheme, damos_destroy_filter(filter); return err; } - } else if (filter->type == DAMOS_FILTER_TYPE_ADDR) { + break; + case DAMOS_FILTER_TYPE_ADDR: filter->addr_range = sysfs_filter->addr_range; - } else if (filter->type == DAMOS_FILTER_TYPE_TARGET) { + break; + case DAMOS_FILTER_TYPE_TARGET: filter->target_idx = sysfs_filter->target_idx; - } else if (filter->type == DAMOS_FILTER_TYPE_HUGEPAGE_SIZE) { + break; + case DAMOS_FILTER_TYPE_HUGEPAGE_SIZE: filter->sz_range.min = sysfs_filter->range_min; filter->sz_range.max = sysfs_filter->range_max; - } else if (filter->type == DAMOS_FILTER_TYPE_PROBE_HITS_WSUM) { + break; + case DAMOS_FILTER_TYPE_PROBE_HITS_WSUM: filter->range_min = sysfs_filter->range_min; filter->range_max = sysfs_filter->range_max; + break; + default: + break; } damos_add_filter(scheme, filter); -- 2.53.0