From nobody Fri Jun 12 19:46:25 2026 Received: from out-172.mta0.migadu.com (out-172.mta0.migadu.com [91.218.175.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF567388877 for ; Wed, 13 May 2026 02:21:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638897; cv=none; b=m6r3t5PRRjTl3TpdoTwgfuLOMVCE6Q+0h182UotBOPNl4k0H2OnjfUcNF8VHM+WX5H9e/87m84Ce3Hgz0nQZzf3TUrb+uZ3+4FouF8jmx3Ii2sJed02VU2H76bk6w9lirRUKXRzoqfnrQPcIhXDvPPDH7wjzitZ0uEvyGR9mPjE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638897; c=relaxed/simple; bh=y3GEE7jOR2E+Th71wC1XPbhLv/7khp+oRPbgOfHKWCc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=vDiTSYsAQAnqER5y5vdjKAWW5Hh0pMxfFvDMOrTSvvJmWwDZVKHpX1KzH8KAZ8hTrJ3hUcJYOoAgQsLP+Coh1Vab+WdX+2yQ5s37C2PRB0sZHV6OtrD59Qsqn2LgGgXQxTydws+jBe6NnCm8VBjkoR9WkNWz3J7w8tvhUU+9m1M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=gGJ7WfRR; arc=none smtp.client-ip=91.218.175.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="gGJ7WfRR" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1778638894; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jtTSPXXssTR71PJ7XGF4Aw7pwvwBqg7uPvuO6u95H7U=; b=gGJ7WfRRA9Ncvx+sOdFxjxX86MOf1fGTu4EuYEp7EfTD5vqew87JHGqJ/tcNqpVLAMjibi lLS1GyawOgt/gohrHcBqpx4C+7Bw4bcrElFARadK01lVDg4sH4TYruXj6X8JJezCG6x5m1 xG99Ib1EqV5B3Cggdd5doG0frDLzjJU= From: Ye Liu To: Andrew Morton Cc: Ye Liu , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] tools/mm/page-types: Fix typo in madvise() error message Date: Wed, 13 May 2026 10:21:16 +0800 Message-ID: <20260513022120.58033-2-ye.liu@linux.dev> In-Reply-To: <20260513022120.58033-1-ye.liu@linux.dev> References: <20260513022120.58033-1-ye.liu@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Ye Liu Two error messages incorrectly spelled the madvise() function name as "madvice". Fix the typo in both occurrences. Signed-off-by: Ye Liu Acked-by: David Hildenbrand (Arm) Reviewed-by: SeongJae Park --- tools/mm/page-types.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/mm/page-types.c b/tools/mm/page-types.c index d7e5e8902af8..6594245217a8 100644 --- a/tools/mm/page-types.c +++ b/tools/mm/page-types.c @@ -997,7 +997,7 @@ static void walk_file_range(const char *name, int fd, =20 /* turn off readahead */ if (madvise(ptr, len, MADV_RANDOM)) - fatal("madvice failed: %s", name); + fatal("madvise failed: %s", name); =20 if (sigsetjmp(sigbus_jmp, 1)) { end =3D off + sigbus_addr ? sigbus_addr - ptr : 0; @@ -1015,7 +1015,7 @@ static void walk_file_range(const char *name, int fd, =20 /* turn off harvesting reference bits */ if (madvise(ptr, len, MADV_SEQUENTIAL)) - fatal("madvice failed: %s", name); + fatal("madvise failed: %s", name); =20 if (pagemap_read(buf, (unsigned long)ptr / page_size, nr_pages) !=3D nr_pages) --=20 2.43.0 From nobody Fri Jun 12 19:46:25 2026 Received: from out-186.mta0.migadu.com (out-186.mta0.migadu.com [91.218.175.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02BDE388E57 for ; Wed, 13 May 2026 02:21:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.186 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638903; cv=none; b=VOBjyieT6yG6+YdsZeTTT2F937aaXbq3DooJdPfhCawLQg2OcNlaCtzS7nweeKsp90p1A1V5k22Fcsd3gCZYgnQN7hvZuGdP/peTr0HeJUH3+dVCqIBN8jh0AOt/Yamol7x4UVVhPvP92rs/YvBF9656EFgSpUrbjrCSOS2oKU0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638903; c=relaxed/simple; bh=niYxAAiBDKtE94U5FtFb/76qYTq1nzkx4WUck+QAVpA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YXu34WktRGEvXR6JB3DAAGpIRoAXr/4wEdOqlAKNT8cRE4eJIWe9UHOp9qHx+v0QoMiA0rsqc/Zjemor2NhmMjkM3+X9aC33LmXt7aje5Le6w2MT9bW8xeFxph8WNpoNNNCqULGKztoBM30hi4dHvrBsg/VHbNRbhiXyd78nReI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=JHV+mvu6; arc=none smtp.client-ip=91.218.175.186 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="JHV+mvu6" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1778638898; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I7u83GKnKUGOnUrGXw0W+nrtZL5sO6z6MsOIoWVl5DY=; b=JHV+mvu6k0ZemGgYGRlIeWt0HO7fO21M3/FcMLEItPRrbJR2tLKpeMG2BEMPd9vQtzrxA2 FvN0QI2kQhU7o8Gjcg4DmMNjQJy04jYwthQM7qwTzpiT7f3k6UQfQ7GIvnWhPZWR2/r3M1 AnNLjeTlpqYgk71h6jhX2DaHgLOvVDk= From: Ye Liu To: Andrew Morton Cc: Ye Liu , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] tools/mm/page-types: Fix ternary operator precedence in sigbus handler Date: Wed, 13 May 2026 10:21:17 +0800 Message-ID: <20260513022120.58033-3-ye.liu@linux.dev> In-Reply-To: <20260513022120.58033-1-ye.liu@linux.dev> References: <20260513022120.58033-1-ye.liu@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Ye Liu The ternary operator (?:) has lower precedence than addition (+), so the expression `off + sigbus_addr ? sigbus_addr - ptr : 0` was parsed as `(off + sigbus_addr) ? (sigbus_addr - ptr) : 0` rather than the intended `off + (sigbus_addr ? sigbus_addr - ptr : 0)`. Add explicit parentheses to ensure the correct evaluation order. Signed-off-by: Ye Liu Acked-by: SeongJae Park --- tools/mm/page-types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/mm/page-types.c b/tools/mm/page-types.c index 6594245217a8..66f429f2b698 100644 --- a/tools/mm/page-types.c +++ b/tools/mm/page-types.c @@ -1000,7 +1000,7 @@ static void walk_file_range(const char *name, int fd, fatal("madvise failed: %s", name); =20 if (sigsetjmp(sigbus_jmp, 1)) { - end =3D off + sigbus_addr ? sigbus_addr - ptr : 0; + end =3D off + (sigbus_addr ? sigbus_addr - ptr : 0); fprintf(stderr, "got sigbus at offset %lld: %s\n", (long long)end, name); goto got_sigbus; --=20 2.43.0 From nobody Fri Jun 12 19:46:25 2026 Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E68C388E45 for ; Wed, 13 May 2026 02:21:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638908; cv=none; b=oiMmkPFF1AomVWZ20lr+NTEDO6ag4gq3P80ZeeZ02h0X6/eD6WKPJ6Kj9gR1BxpfTJrhp7nQFx55JKr9IExV5NHZPFq1/XRBCVNjwYrOtUJYn9uMHnO/m7sYM8FU8QuniRR1A+ahpVXIhibHk2B+PYtzWN3CzMPhUEitLD/2agg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638908; c=relaxed/simple; bh=VrjVwpleFz3eML+0UxBLQTC7qrV6n5AJbQPr6uvCO6Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KOMbhWRtTyYthDCHYsYbGcqpBXcEWkTwmbFZFYqj0Xma7wBwFppqqDkbgdk1nTxfHZbigC3wlA8+I4CxvaEVMxC9WkJgU5LMmKtKAsdkezVfm9G/yYmhG3r95QSdrg7t7+8jopVD0ZcYmDHDaIXuvzJ4I+8iVJunWBQwjYxmdNg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=lKyfGeeL; arc=none smtp.client-ip=91.218.175.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="lKyfGeeL" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1778638905; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sX++ejkOPafDrCJ8wkX/GdXVsfydpkaBhchBIQ/8mQo=; b=lKyfGeeLeAoR3RaD4J1Faxo0d5sZrWKlbvE2Tqh5c3icxdhgoWP6cLbCVNu/vv5TFjQogf fqtbqt/OainKm6Fo2a9gU+EUJHDVlcE4PYvmzBNRn0GyXvj3GodfXHN62zrKw9jl8u/Cf0 KTagGTqlCgGUo39xMUc5xne8JBPL99A= From: Ye Liu To: Andrew Morton Cc: Ye Liu , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] tools/mm/page-types: Fix kpageflags option argument in getopt_long Date: Wed, 13 May 2026 10:21:18 +0800 Message-ID: <20260513022120.58033-4-ye.liu@linux.dev> In-Reply-To: <20260513022120.58033-1-ye.liu@linux.dev> References: <20260513022120.58033-1-ye.liu@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Ye Liu The --kpageflags option requires an argument to specify the kpageflags file path, but has_arg was set to 0 (no_argument) in the long options table. Change it to 1 (required_argument) so getopt_long correctly parses the argument. Signed-off-by: Ye Liu Acked-by: David Hildenbrand (Arm) Reviewed-by: SeongJae Park --- tools/mm/page-types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/mm/page-types.c b/tools/mm/page-types.c index 66f429f2b698..7fc5a8be5997 100644 --- a/tools/mm/page-types.c +++ b/tools/mm/page-types.c @@ -1261,7 +1261,7 @@ static const struct option opts[] =3D { { "no-summary", 0, NULL, 'N' }, { "hwpoison" , 0, NULL, 'X' }, { "unpoison" , 0, NULL, 'x' }, - { "kpageflags", 0, NULL, 'F' }, + { "kpageflags", 1, NULL, 'F' }, { "help" , 0, NULL, 'h' }, { NULL , 0, NULL, 0 } }; --=20 2.43.0