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 9CE91303A24 for ; Tue, 9 Sep 2025 06:43:50 +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=1757400230; cv=none; b=VfyEE5YRGV8sU2gt/YZajRFipLKNmTYj5yzrip7Z2nvKm88706KVSPMcNYE6guKhZaQzZ2rVHuOuSVAHaFTVDsGpvHaLFplu9LWfVgwXgFY+52pJUemLynUU1L1t/EZ0rf9dzmOACl/ZkeusXZN4Z9zJ7y0EaY8xWfFzQHB1hl8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757400230; c=relaxed/simple; bh=rpaPe1lTFXm0TGAnhdh9akqJxWL138C0p20cvtR/o2c=; h=Date:To:From:Subject:Message-Id; b=RMrRymrPwt7Vg9M8HDEVmN+v3vHSzDvwYdEkGQIimPgL97Ow8smSwvf7FNRGFZxOUE7Q0wJq1q2rTgRTnTBW3mYQXwUJnEzwMRjUSxnzdq9dvBJs3Fdw5oKcNomNARZwweM3Ss0mFMBQwfPWumFHXhUK9Um32Un7DlnJgkt1+Fo= 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=aA1R08HF; 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="aA1R08HF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0585AC4CEF4; Tue, 9 Sep 2025 06:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1757400230; bh=rpaPe1lTFXm0TGAnhdh9akqJxWL138C0p20cvtR/o2c=; h=Date:To:From:Subject:From; b=aA1R08HFxzyP9mjfG+mb0sE6reX9FTxYqjj01AOLCrFug8udFXoLyfcBfCMSwTam9 9q+gpkOu7+X1cuNE9gm7Z8kp9/lDwuP55iPJk1V6+4P1S0fm+KT611GFI/k1L4471/ 62+BMPjbC3jSf3534wKXDk9+MuKCSImSF8vG+alQ= Date: Mon, 08 Sep 2025 23:43:49 -0700 To: mm-commits@vger.kernel.org,tj@kernel.org,dennis@kernel.org,cl@gentwo.org,bhe@redhat.com,vdumitrescu@nvidia.com,akpm@linux-foundation.org From: Andrew Morton Subject: [folded-merged] percpu-fix-race-on-alloc-failed-warning-limit-v2.patch removed from -mm tree Message-Id: <20250909064350.0585AC4CEF4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: percpu-fix-race-on-alloc-failed-warning-limit-v2 has been removed from the -mm tree. Its filename was percpu-fix-race-on-alloc-failed-warning-limit-v2.patch This patch was dropped because it was folded into percpu-fix-race-on-alloc-failed-warning-limit.patch ------------------------------------------------------ From: Vlad Dumitrescu Subject: percpu-fix-race-on-alloc-failed-warning-limit-v2 Date: Fri, 5 Sep 2025 15:42:14 -0700 prevent warn_limit from going negative, per Christoph Lameter Link: https://lkml.kernel.org/r/ee87cc59-2717-4dbb-8052-1d2692c5aaaa@nvidia.com Fixes: f7d77dfc91f7 ("mm/percpu.c: print error message too if atomic alloc failed") Signed-off-by: Vlad Dumitrescu Cc: Baoquan He Cc: Christoph Lameter (Ampere) Cc: Dennis Zhou Cc: Tejun Heo Signed-off-by: Andrew Morton --- mm/percpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/percpu.c~percpu-fix-race-on-alloc-failed-warning-limit-v2 +++ a/mm/percpu.c @@ -1904,8 +1904,8 @@ fail_unlock: fail: trace_percpu_alloc_percpu_fail(reserved, is_atomic, size, align); - if (do_warn && atomic_read(&warn_limit) > 0) { - int remaining = atomic_dec_return(&warn_limit); + if (do_warn) { + int remaining = atomic_dec_if_positive(&warn_limit); if (remaining >= 0) { pr_warn("allocation failed, size=%zu align=%zu atomic=%d, %s\n", _ Patches currently in -mm which might be from vdumitrescu@nvidia.com are percpu-fix-race-on-alloc-failed-warning-limit.patch