From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 ADBC121506E for ; Thu, 17 Apr 2025 23:52:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744933965; cv=none; b=c7AzHPT3XyExNQwVxqP+6tchOwoJGFyqnoYh9JBxmVuAMi6XComv6Fju6RN4bMXAzpWG6asg4KG2qtfeaTix83il7uPzBh2pO4GG73llLWv4unUPXVjj5M6MvJMpwnWpyvMw1uZf5Uh57AVSE687yqydALC+ilHUVIpSIrZF/Ns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744933965; c=relaxed/simple; bh=3UJv7lZFD6p0WR4BxJfj73RcvbsYSIWA3jmdAAqCuIc=; h=Date:To:From:Subject:Message-Id; b=A3KE+u3tGV0vGRFfNICaeWdW0tdG4y1HNle6VLn1Y+VAFJJW3DW6LRvxsxTKg9gqts/BHpy3LAZQ7z1Jd2Vr3CqsAiEAfEzyCRX0EjOPRzquWYMaGsIQQU4QQkSuj7F+H74Kr1t12oeM1tdK3RKINTzj3msKgAF48h+uIVu6+gc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=0bdmWBxy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="0bdmWBxy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D41FC4CEE4; Thu, 17 Apr 2025 23:52:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1744933965; bh=3UJv7lZFD6p0WR4BxJfj73RcvbsYSIWA3jmdAAqCuIc=; h=Date:To:From:Subject:From; b=0bdmWBxysNrEH16AidwtIzXTITR9saJRf2dYGq9LS1ycc5za128sgtbqh+eQCViQY MITNGtbohalVToyrmSgEtyBdSSP//puQN2KW3iGf9j+lTtb3BOT2IRdiIXekTMbOvw aRHbvyx2n/YjjMuJTJYikDRkSNu5e4WTZx/y/MPw= Date: Thu, 17 Apr 2025 16:52:44 -0700 To: mm-commits@vger.kernel.org,mjguzik@gmail.com,hch@infradead.org,bhe@redhat.com,urezki@gmail.com,akpm@linux-foundation.org From: Andrew Morton Subject: + lib-test_vmallocc-allow-built-in-execution.patch added to mm-new branch Message-Id: <20250417235245.6D41FC4CEE4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: lib/test_vmalloc.c: allow built-in execution has been added to the -mm mm-new branch. Its filename is lib-test_vmallocc-allow-built-in-execution.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-test_vmallocc-allow-built-in-execution.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Uladzislau Rezki (Sony)" Subject: lib/test_vmalloc.c: allow built-in execution Date: Thu, 17 Apr 2025 18:12:14 +0200 Remove the dependency on module loading ("m") for the vmalloc test suite, enabling it to be built directly into the kernel, so both ("=m") and ("=y") are supported. Motivation: - Faster debugging/testing of vmalloc code; - It allows to configure the test via kernel-boot parameters. Configuration example: test_vmalloc.nr_threads=64 test_vmalloc.run_test_mask=7 test_vmalloc.sequential_test_order=1 Link: https://lkml.kernel.org/r/20250417161216.88318-2-urezki@gmail.com Signed-off-by: Uladzislau Rezki (Sony) Cc: Baoquan He Cc: Christop Hellwig Cc: Mateusz Guzik Signed-off-by: Andrew Morton --- lib/Kconfig.debug | 3 +-- lib/test_vmalloc.c | 5 +++-- 2 files changed, 4 insertions(+), 4 deletions(-) --- a/lib/Kconfig.debug~lib-test_vmallocc-allow-built-in-execution +++ a/lib/Kconfig.debug @@ -2574,8 +2574,7 @@ config TEST_BITOPS config TEST_VMALLOC tristate "Test module for stress/performance analysis of vmalloc allocator" default n - depends on MMU - depends on m + depends on MMU help This builds the "test_vmalloc" module that should be used for stress and performance analysis. So, any new change for vmalloc --- a/lib/test_vmalloc.c~lib-test_vmallocc-allow-built-in-execution +++ a/lib/test_vmalloc.c @@ -591,10 +591,11 @@ static void do_concurrent_test(void) kvfree(tdriver); } -static int vmalloc_test_init(void) +static int __init vmalloc_test_init(void) { do_concurrent_test(); - return -EAGAIN; /* Fail will directly unload the module */ + /* Fail will directly unload the module */ + return IS_BUILTIN(CONFIG_TEST_VMALLOC) ? 0:-EAGAIN; } module_init(vmalloc_test_init) _ Patches currently in -mm which might be from urezki@gmail.com are vmalloc-add-for_each_vmap_node-helper.patch vmalloc-switch-to-for_each_vmap_node-helper.patch vmalloc-use-for_each_vmap_node-in-purge-vmap-area.patch vmalloc-use-atomic_long_add_return_relaxed.patch lib-test_vmallocc-replace-rwsem-to-srcu-for-setup.patch lib-test_vmallocc-allow-built-in-execution.patch maintainers-add-test_vmallocc-to-vmalloc-section.patch vmalloc-align-nr_vmalloc_pages-and-vmap_lazy_nr.patch