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Tue, 24 Jun 2025 05:34:20 -0400 X-MC-Unique: 7Z09YuVpPoGaztRjup6wGw-1 X-Mimecast-MFC-AGG-ID: 7Z09YuVpPoGaztRjup6wGw_1750757659 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 007E219560B7; Tue, 24 Jun 2025 09:34:19 +0000 (UTC) Received: from localhost (unknown [10.72.112.21]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C2B27180045B; Tue, 24 Jun 2025 09:34:17 +0000 (UTC) Date: Tue, 24 Jun 2025 17:34:12 +0800 From: Baoquan He To: "Uladzislau Rezki (Sony)" Cc: Andrew Morton , linux-mm@kvack.org, LKML , Harry Yoo , Suren Baghdasaryan , David Wang <00107082@163.com> Subject: Re: [PATCH 2/2] lib/test_vmalloc.c: Restrict default test mask to avoid test warnings Message-ID: References: <20250623184035.581229-1-urezki@gmail.com> <20250623184035.581229-2-urezki@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250623184035.581229-2-urezki@gmail.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 7792F10000A X-Stat-Signature: 16f19u4yqtsgaidx8cg9m9dfd7pdi6g6 X-HE-Tag: 1750757663-58964 X-HE-Meta: U2FsdGVkX1+nsB/mGBqVEGxNuPDlhPJS2JcBeMUI3uMUcbuuCKQskacGZg3W/AwS08BF5KMrC3bW4+q5lnvfoYPJWNsWFSDz2IUAj7PMiuUw8Fs1M9MDCO45Fy88lUh3FPCQYNiNaHSkHlLeLDxusXaUN2Z6TBobf3MkytYPrrj9dKGrr8XVzKHOB8SBxI6vE9K7AcN4Rja9HWSCN2UXPLrMCnllrPVzlOHTdDe0IOQM6Ylc7tZ5pj7HvJAxr8xMs0th/MkKunxvTcH1B4nn0UbtQQZH2rJV3bNdTP7sS+vPuSV50ACgyTVXO2OhfxE9/uro5WqBi1p2vfdWTFlIpSy2bIatph2D2n3qUHtrqa8pKAsLMZJn8cLn0vK8e9GDPAkLh23IiiPPZBhRVKZjwb0Ax8eZVP8YQ5UKV1r0xS7j8FIxzlR5eV3K/68DL2P3i6yMbaW42WMUuVvEzHLKsQs3jRY85T62ANoFZZocf++yaVYuM2k7UPv0LLay5vMCG31DGjcUsPu+46gZ9fjTcW/jfo31vTONPNS+RtjalbePH9ICjar7ze5MzYxLlfsFy0NE2Y5M0CDSgeuSjFGS7OawTbLfNraDJ5Q31GPWGkjGLIj5u1RQl/o8FsYR7/I6JKlIvM0QbwtdMWta0KHR9DR0avH4yRW/qx8Tz/4VnTq37HY7goCRogLbWzGaixty7bbRofGDEzfnZ5ELWqE9476qZ22uZLH6dIzyyqhEr484ChjI/3WjpqxNrIYW0e8aCtWvpyOdbFMZLEVPw3KS/1SHU3oqnqtLXHm8LtPGYs24PdxJ0w5yP2nrkNqzDFswhmDZobJRrzwggIUlMl4G9fadYaTZCEoZMov337LwVb2B5dhpcFxvf7bIFRPH9tTgt9E9GT7m+r2oMaZFKUzMrhh3ku19zmM3HYibr/qCLFmgrgvGsNtTGyijvJqbjSvPPBt+Kr5XgLkBGLgWxP6 gOkuOVzP 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 06/23/25 at 08:40pm, Uladzislau Rezki (Sony) wrote: > When the vmalloc test is built into the kernel, it runs automatically > during the boot. The current-default "run_test_mask" includes all test > cases, including those which are designed to fail and which trigger > kernel warnings. > > These kernel splats can be misinterpreted as actual kernel bugs, leading > to false alarms and unnecessary reports. > > To address this, limit the default test mask to only the first few tests > which are expected to pass cleanly. These tests are safe and should not > generate any warnings unless there is a real bug. > > Users who wish to explicitly run specific test cases have to pass the > run_test_mask as a boot parameter or at module load time. > > Cc: Harry Yoo > Cc: Suren Baghdasaryan > Cc: David Wang <00107082@163.com> > Signed-off-by: Uladzislau Rezki (Sony) > --- > lib/test_vmalloc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Baoquan He > > diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c > index 7264781750c96..c1966cf72ab89 100644 > --- a/lib/test_vmalloc.c > +++ b/lib/test_vmalloc.c > @@ -41,7 +41,7 @@ __param(int, nr_pages, 0, > __param(bool, use_huge, false, > "Use vmalloc_huge in fix_size_alloc_test"); > > -__param(int, run_test_mask, INT_MAX, > +__param(int, run_test_mask, 7, > "Set tests specified in the mask.\n\n" > "\t\tid: 1, name: fix_size_alloc_test\n" > "\t\tid: 2, name: full_fit_alloc_test\n" > -- > 2.39.5 >