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 6C9512F0C68 for ; Mon, 15 Dec 2025 17:05:02 +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=1765818302; cv=none; b=sfLPsV4MVllx8m1z1uYrdmqAOJ7wtUy1b1YPto2qjE+5z4VjPz5V7dCiPRz8ax74m42kz2nsURLBDFLe46BCzYfcqhbB4fFynqN1c1jubmrYlg1mvFRTtpD536FgMXTcsGHb7RNsaqjIGswY0vygSisUzNFsUBSrQBq49UnMTIQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765818302; c=relaxed/simple; bh=8oApPI9Ol45JT8wt3GrRDUbF7O6J1aiMJb13H497vIc=; h=Date:To:From:Subject:Message-Id; b=YBrYcOR+2kIhtWhfn8e0vY1nhDSFTUlAnWsI7uKPJ6DpWJzQYuTHdZFWtmoJkCjlI1pWHS+UK2CzeMaKKSOeGpaN351VrEwhhmUl3N2SwHMXXZEFCk9+mwKJqA96UeisQoxC9BdWqWOFg9SGbyXO54RXckFBYmvUTEojk34R0sc= 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=LRKkScZT; 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="LRKkScZT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E802FC116B1; Mon, 15 Dec 2025 17:05:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1765818302; bh=8oApPI9Ol45JT8wt3GrRDUbF7O6J1aiMJb13H497vIc=; h=Date:To:From:Subject:From; b=LRKkScZTe8UHJ3HatScI0dUlkajI9O+wjCPi74ow+zh42IY3OU1Q66eYl+FxTKlqd tzVkAASv1+jjsG5wJ503+Ud2wRSHLiKd06RWHAF9YAFZ5ffzffPvQtL1+L7UXcLYzU oIX4sLbGwTfsQbxzBqoROCPZVJ7/GWLhLVoeoPMU= Date: Mon, 15 Dec 2025 09:05:01 -0800 To: mm-commits@vger.kernel.org,surenb@google.com,kent.overstreet@linux.dev,joel.granados@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + alloc_tag-move-memory_allocation_profiling_sysctls-into-rodata.patch added to mm-new branch Message-Id: <20251215170501.E802FC116B1@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: alloc_tag: move memory_allocation_profiling_sysctls into .rodata has been added to the -mm mm-new branch. Its filename is alloc_tag-move-memory_allocation_profiling_sysctls-into-rodata.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/alloc_tag-move-memory_allocation_profiling_sysctls-into-rodata.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. 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: Joel Granados Subject: alloc_tag: move memory_allocation_profiling_sysctls into .rodata Date: Mon, 15 Dec 2025 16:47:37 +0100 Remove the change in file mode permissions done before initializing the sysctl. It is not necessary as the writing of the kernel variable will be blocked by the proc_mem_profiling_handler when writing is disallowed (also controlled by mem_profiling_support). Link: https://lkml.kernel.org/r/20251215-jag-alloc_tag_const-v1-1-35ea56a1ce13@kernel.org Signed-off-by: Joel Granados Cc: Kent Overstreet Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- lib/alloc_tag.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/lib/alloc_tag.c~alloc_tag-move-memory_allocation_profiling_sysctls-into-rodata +++ a/lib/alloc_tag.c @@ -783,7 +783,7 @@ static int proc_mem_profiling_handler(co } -static struct ctl_table memory_allocation_profiling_sysctls[] = { +static const struct ctl_table memory_allocation_profiling_sysctls[] = { { .procname = "mem_profiling", .data = &mem_alloc_profiling_key, @@ -798,9 +798,6 @@ static struct ctl_table memory_allocatio static void __init sysctl_init(void) { - if (!mem_profiling_support) - memory_allocation_profiling_sysctls[0].mode = 0444; - register_sysctl_init("vm", memory_allocation_profiling_sysctls); } #else /* CONFIG_SYSCTL */ _ Patches currently in -mm which might be from joel.granados@kernel.org are alloc_tag-move-memory_allocation_profiling_sysctls-into-rodata.patch