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=1794046893; b=YRAO/a1dcOUECT/lMTWj++fOtjAecg6ezCuC7YJcExKqno0uysKjugSES6ID1Ltrodvy 1QQ9PvOz8qmmfW6DHuXndLij2QbuknqhE0g3q9I0Fr5WWW7xqymCijggXWrdPc1lqL/4a yHERjKcUf2+yTR3qE+BhagJleCS0Z/Ld0IZrxPQSd39cH2vYk6T6iaNGwJ2ttknDJsZOq IA9d18EpPMEtm/+IJKbwJMcNUCp8qIvQRJveTj83MoU3cQW3lwKAlnPadaPDofix5Tfe+ FEzhgUrqLHoh8GyozFFMPwwfJd8cRAgD3ktWY1DKVlXRraxovRFOhtGuHSpRoVp9+3A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794046893; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=slPzfr/1KeAwv5xtf06F2uTAM00kJQ7XmNnNhKWP/zc=; b=0sOu7106DL84IUK+flR/7QfUk+WTvYImXe7lEQZiSVQ3dXkOez+glW/Hlz/rZ1ppWxUw 0hIidu8X0ZNtSCPV3dDoi1yvQUcCboOKQiURczfmGn1rbrBh5dBW4xNfuDtNlcQHQjgXh kE+R6n5cg2HgS2iq3vqLUTJoenKTaUsQ1TW9aujPQfhCNqnDvT0bj+FOYDVGviHpMmRbb r9I2m/Ih8WRttb6X7SlaZYVqe+UCVJo3YHQVl85oANwVbcAxPb8MfdN3C5Q9QSxqApdyQ fflnjC03/YoxKrMYccp+RaIR3emY8VuZmAddJHF9MaJ7hP71lcoMlnl/EnliRb4PKcw== 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=TIdpfRlj; 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 C5540606A33C for ; Sat, 7 Nov 2026 10:21:32 +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=TIdpfRlj Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7AF21F008A1; Sat, 7 Nov 2026 10:21:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794046892; bh=slPzfr/1KeAwv5xtf06F2uTAM00kJQ7XmNnNhKWP/zc=; h=From:To:Cc:Subject:Date; b=TIdpfRljbWqQb4uXSMCDEfWaR9+LRLO83JM2FntYuYYLgL5pZyGD2X6LMKiIhj4lc F+f4exeR1KLkJHzvZvG3HjakvYcYV5tFqIM5eI+NcCRGlPZYYAnFqXDbp0z0Rtgu1d XLUD0O+cRtB92ZV3Y4rmp/0EpJiD0OJJI5L5Eerynu1WMlU3nR1qc34grgf2TlXXyF bfZVosI0TGkGrIWMZ4YNq9l6XPs3uEpU83JTPvvUL/GJMk6Vzn1MCpvCiY9WzPwi33 HNO8XVuOiqHJfL9VAVcofhgLi5HGeNlf+JhSvzBQM3pLoOyNF/pKOktgenb0pEZOEo 4GQ49vcYdsoyg== 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 6.12-stable tree Date: Sat, 7 Nov 2026 05:21:30 -0500 Message-ID: <20261107052130-failed-6.12-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 6.12-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-6.12.y git checkout FETCH_HEAD git cherry-pick -x cec08aad3def79bdb7a795a05e7c9a11d577b4f8 # git commit -s git send-email --to '' --in-reply-to '20261107052130-failed-6.12-cec08aad3def@kernel.org' --subject-prefix 'PATCH 6.12.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