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=1794049479; b=HoZQDQi0wAWLiRo5jspaasmE/1FaWiPI8g3grxuueiH5U00zYfPfNoZ89AzW+K1tHWGM 8EXqOUfnKdHbzoWuvyKCPNdna02CmTn9ctgEsrQzxDAs2I3w+Y7afV5MQQpGMc/RrcyO0 vA92+jaBXIBwH+Sqexx+5SxnD32zh7unr+tnp1qzksVfFccUHyuE7DfLQ5D2jqZpzzqN1 YkPDwLZCpQss56KDiP/5KqS+laqCK6tnOFbIVb/A5l4Ui9xLg2ZO99fCmum3elk4zOyrO o5br1QaIbuMlrdVI4h/h+uoM7lIhgbWFAyYtEXCWhf68Kz/yBxn6LToZFXpBkg3WR3g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794049479; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=9ju9cFSt9dlUiyM0DWQB9ilMJMyKwWk9WALZRa7bGzk=; b=07rQXEy5+pZw/bNiOS1IHZKxkR6yNxCx8N7t2LcJilAhZLNjai8yT7UfQRqys0k4TNZj IWobdh1/2An3wl4+6pJkzX7X6lm3u0UzjuSvD0OPfcMpTYlAVqfDASNVjQyLGltjqiANc WRpg62iOR/YtQF6GT6saM4INejDpG9355AgLq8loSDnG8R3MelixX8JmRFjjSSa2YrnQ6 QHPuh1FvPKKEdczh5lBph9KHREAjKa4wxe6Jx1yRppvlgQ1P0/H5syEsaGK80N3cznj5m 5bHw8wQ+5qj+lDijdns0uoc7GItviYbB05v51SokvnkchRvBdEYeRrz3pfucfBnUaMQ== 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=DpMd0IT8; 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 2F710606A32C for ; Sat, 7 Nov 2026 11:04:39 +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=DpMd0IT8 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 625F11F0089F; Sat, 7 Nov 2026 11:04:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794049479; bh=9ju9cFSt9dlUiyM0DWQB9ilMJMyKwWk9WALZRa7bGzk=; h=From:To:Cc:Subject:Date; b=DpMd0IT8Nn+sERQB82cP1MWXdpeAbqo950cQ9eKoB0P+EHkolXQI3I4wSL51o92ly lv7XionOhiIJLCUVuzxvdZSov3Ft8q7mYAJkGJZ57Op4vj4gpBYCCbJ3bAsZiXsNWf 5oz7q1QNyzAcs9cKNOs/Qq8JuQ9nnGqV2uJ8oXjgmI64n6KmsMFFq3q5SbPd23M132 30eZDNl/9d2cy+fJUk60xSoJncoeqrijGvK1MWY/BlUoFX1C6PhHeyWaMJ6hMNDE9+ eTry+sVZfW3cqK+AEdmwYrjr6jOOuGXJ+LbpeTYj+Vkqg83g6I6l8i8dCpvkn6MtHX 0s/Exs20vkyCw== 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 5.15-stable tree Date: Sat, 7 Nov 2026 06:04:37 -0500 Message-ID: <20261107060436-failed-5.15-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 5.15-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-5.15.y git checkout FETCH_HEAD git cherry-pick -x cec08aad3def79bdb7a795a05e7c9a11d577b4f8 # git commit -s git send-email --to '' --in-reply-to '20261107060436-failed-5.15-cec08aad3def@kernel.org' --subject-prefix 'PATCH 5.15.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