From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 84EA9388E55; Thu, 24 Sep 2026 05:00:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790226047; cv=none; b=A9gSu+9nrRruk1bt/8Nc7tqYO4M3rRTNdnZcMWRav6EZRCyJ8J1VgxgijuUeO1Apnt52vYtVerq9ToX3QJlZ5YwO794NeE0vZXF+jab002i47yJB9nP+pcp81wdy4MZXnJm0KwLBFm150wPGvVV77Fkge0BIGS0z1Frkxx3B3y0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790226047; c=relaxed/simple; bh=EmkguL785IIXMYOOGQrzJ/6/Y6ZZO1ERK0FFTi6WP+s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HVZF/Fao1f8xFnka3hYK62zCN8nm8ldgRkqyxOX5vgc5ezLjaJ2JxuZX1to1vx7G6X1MOi0kNRO2ZumL+jjKbmSoXJSaMYyNZfYBjwqmvI5RaupRo4vbVRZ0O8CCwhRc/XSSq8twUCqDlDXVpgCeURfMp6W4d9oCzwaDGvcDSso= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=VoQ3Sil+; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="VoQ3Sil+" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DA0191476; Wed, 23 Sep 2026 22:00:38 -0700 (PDT) Received: from a081061.blr.arm.com (a081061.arm.com [10.164.19.84]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id A171A3F86C; Wed, 23 Sep 2026 22:00:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1790226042; bh=EmkguL785IIXMYOOGQrzJ/6/Y6ZZO1ERK0FFTi6WP+s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VoQ3Sil+u+bZMg3gQzQxSDAl5ZC1MWS/6iqveSX+OWgskIoqG3Ry90TTIuPJS8Cn6 i7jwJdERAIbLo+84agDoFnJTIV0pU5Yti+FWAWyXM8OA1nzzLZwAbALQKXmfP+YJb5 LpEYezMaDIsIuuEYUagvFmvju0a9K7vjwJJ0NBag= From: Sarthak Sharma To: Andrew Morton , David Hildenbrand Cc: Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , John Hubbard , Kalesh Singh , Anshuman Khandual , Park Tae-sun , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Sarthak Sharma Subject: [PATCH RESEND 4/9] selftests/mm: mremap_test: correct multiple VMA range size Date: Thu, 24 Sep 2026 10:30:04 +0530 Message-ID: <20260924050009.19974-5-sarthak.sharma@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260924050009.19974-1-sarthak.sharma@arm.com> References: <20260924050009.19974-1-sarthak.sharma@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In the test mremap_move_multiple_vmas(), pages 4 to 6 form a single VMA. But the helper function is_multiple_vma_range_ok() checks pages 4 and 5 as one range and treats page 6 separately. Check all three pages as a single range and skip the page 6 iteration to match the actual VMA layout. Fixes: d53f248258e1 ("tools/testing/selftests: extend mremap_test to test multi-VMA mremap") Signed-off-by: Sarthak Sharma --- tools/testing/selftests/mm/mremap_test.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/mremap_test.c b/tools/testing/selftests/mm/mremap_test.c index ba9b7f7566d0..869df22d46db 100644 --- a/tools/testing/selftests/mm/mremap_test.c +++ b/tools/testing/selftests/mm/mremap_test.c @@ -373,7 +373,10 @@ static bool is_multiple_vma_range_ok(unsigned int pattern_seed, for (i = 0; i <= 10; i += 2) { int j; char *buf = &ptr[i * page_size]; - size_t size = i == 4 ? 2 * page_size : page_size; + size_t size = i == 4 ? 3 * page_size : page_size; + + if (i == 6) + continue; for (j = 0; j < size; j++) { char chr = rand(); -- 2.53.0