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 58A6E248F47; Tue, 9 Sep 2025 02:37:43 +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=1757385464; cv=none; b=Ui0zZ3gRPDhxnuh2vU3hYuvFF2tgeFdX/nY5aOZtBFzBKFHiCw+qsUUR6LtCO+BwOPMU1+DfAlC6z+XHR6bzznXZgi9zdVh6UIxJZPu8DdqnOYu+rtB84KYgwN7O6YFhV7ojjiFXxSGRmbB8QdoX2vrZxaJ2w+7FU/Y//tYPIqA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757385464; c=relaxed/simple; bh=kRVLLsgKiz2jZLmbrgSJ+pgFZSLBYcixAWmaVgwW9zQ=; h=Date:To:From:Subject:Message-Id; b=qyuyEyiDdIK/65B1Bg3H8lrb4IGCxq3HDIJulGno+LWcKmQXncOtmB/HOxHqspId/PNtyuTZE5oL5RpXG9qvToOrGoukVeyC1rAL6dqrrnDBQnKsxon8Os9dj2/IC8iy1s62ExsvqhGW6jhfxEv6imSiaWI4eO/4Afmm6zCQEZc= 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=kveDjRKR; 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="kveDjRKR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0655C4CEF8; Tue, 9 Sep 2025 02:37:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1757385463; bh=kRVLLsgKiz2jZLmbrgSJ+pgFZSLBYcixAWmaVgwW9zQ=; h=Date:To:From:Subject:From; b=kveDjRKRcASJHgB7A5Yqc3IJJHGM9MBHsAQ6E/v2xF03w+SjwWn6g52vWQs8BqB8L LMXnqOaTMnWa1be0ubN1BSIviHUvG2Ea27gFu0wxTix6tUlzVJdFRM5KaYCjGyjwNr lHjOLimy5SeOoNlVF5XPCHE7aTYEK2B2y+sT0C0I= Date: Mon, 08 Sep 2025 19:37:43 -0700 To: mm-commits@vger.kernel.org,stable@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + samples-damon-mtier-avoid-starting-damon-before-initialization.patch added to mm-hotfixes-unstable branch Message-Id: <20250909023743.C0655C4CEF8@smtp.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: samples/damon/mtier: avoid starting DAMON before initialization has been added to the -mm mm-hotfixes-unstable branch. Its filename is samples-damon-mtier-avoid-starting-damon-before-initialization.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/samples-damon-mtier-avoid-starting-damon-before-initialization.patch This patch will later appear in the mm-hotfixes-unstable 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: SeongJae Park Subject: samples/damon/mtier: avoid starting DAMON before initialization Date: Mon, 8 Sep 2025 19:22:38 -0700 Commit 964314344eab ("samples/damon/mtier: support boot time enable setup") is somehow incompletely applying the origin patch [1]. It is missing the part that avoids starting DAMON before module initialization. Probably a mistake during a merge has happened. Fix it by applying the missed part again. Link: https://lkml.kernel.org/r/20250909022238.2989-4-sj@kernel.org Link: https://lore.kernel.org/20250706193207.39810-4-sj@kernel.org [1] Fixes: 964314344eab ("samples/damon/mtier: support boot time enable setup") Signed-off-by: SeongJae Park Cc: Signed-off-by: Andrew Morton --- samples/damon/mtier.c | 3 +++ 1 file changed, 3 insertions(+) --- a/samples/damon/mtier.c~samples-damon-mtier-avoid-starting-damon-before-initialization +++ a/samples/damon/mtier.c @@ -208,6 +208,9 @@ static int damon_sample_mtier_enable_sto if (enabled == is_enabled) return 0; + if (!init_called) + return 0; + if (enabled) { err = damon_sample_mtier_start(); if (err) _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-core-introduce-damon_call_control-dealloc_on_cancel.patch mm-damon-sysfs-use-dynamically-allocated-repeat-mode-damon_call_control.patch samples-damon-wsse-avoid-starting-damon-before-initialization.patch samples-damon-prcl-avoid-starting-damon-before-initialization.patch samples-damon-mtier-avoid-starting-damon-before-initialization.patch mm-zswap-store-page_size-compression-failed-page-as-is.patch mm-zswap-store-page_size-compression-failed-page-as-is-fix.patch mm-zswap-store-page_size-compression-failed-page-as-is-v5.patch mm-zswap-store-page_size-compression-failed-page-as-is-fix-2.patch mm-damon-core-add-damon_ctx-addr_unit.patch mm-damon-paddr-support-addr_unit-for-access-monitoring.patch mm-damon-paddr-support-addr_unit-for-damos_pageout.patch mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch mm-damon-paddr-support-addr_unit-for-migrate_hotcold.patch mm-damon-paddr-support-addr_unit-for-damos_stat.patch mm-damon-sysfs-implement-addr_unit-file-under-context-dir.patch docs-mm-damon-design-document-address-unit-parameter.patch docs-admin-guide-mm-damon-usage-document-addr_unit-file.patch docs-abi-damon-document-addr_unit-file.patch