From nobody Mon Jun 8 04:24:34 2026 Received: from mail-pj1-f53.google.com (mail-pj1-f53.google.com [209.85.216.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F50A2D8767 for ; Sun, 7 Jun 2026 15:28:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780846129; cv=none; b=FlKc21BMrnk/74Wgo7nTVNGwOU4UXjPklIClWOBHgzOdGYdYhruGmevKTAs+qj7fEyf1hZrj3vloxmR3Z20DR7zimVSPBJHV+gdRJYF5dXOm/Bcvljw6szjjpKaHr+fJTeuYKlfPFIimP6d3gqcJFlmQihRvfuDoxS3utCtqNxE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780846129; c=relaxed/simple; bh=e7iyohexg2FlalcdMEzoeouU2VFNHRzTtKA3GojqI/A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JT/bJGg9iKWnPkgiFI5ZaJAzM2FGJgSDVnU5mUfgMxfX/cirZOfbOqRtosbcACUJAyqx3eI04R7a4A2XURLAge42FGxuoxz7Z1KOMgqH/9fe3c41o+oW58r43fPnA+WgX+bXj81itWPrnz+1V29ok6D+IbFmfjBm6OSGncmY688= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=UgymxF70; arc=none smtp.client-ip=209.85.216.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UgymxF70" Received: by mail-pj1-f53.google.com with SMTP id 98e67ed59e1d1-36b9b15af73so3074025a91.0 for ; Sun, 07 Jun 2026 08:28:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780846127; x=1781450927; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=9Nmhbip3VP8uizzhEAR9YT+vvnoLjIUddI9JAhC6TpU=; b=UgymxF70KjldVLsvTNMhmd68uvsj9eq1SexTdimJhaP986OigMc54spiaZVRcCJDYa iZz7j5DVxQT1peB9lfSl8nZ4NDwJhSQ2n+kiWmiDi5+wp/CXTkJQT1znDOC7++LFna9i M2VJjD2eWE7L6RZnyw6c9T8NGJoGLr52ChHGEH5k3A3UmLPqVCwOvGAvnpD+KCPCIkcA HofoBIpbTLO2dXX48N7h/6xNy4Lb8T4tt4wbn7JN30VvIpIh//I3nmMPI+Bo7TdritAP ubssaFL9qShqE3WMvg4WMYpvLxug8yWu4ApvCsMqGcUjo3MchPh43WqyPAeBteLgskvA DoAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780846127; x=1781450927; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=9Nmhbip3VP8uizzhEAR9YT+vvnoLjIUddI9JAhC6TpU=; b=ixHZAAzFeq9f3f/rjfTOcR+7lEQgJtnpJ2569ZaieccTbMQg8JWiDEiE74rhtKZSfs L+BG4UCbJPNgoNemmk2OcaXIfe32MQM+iKcUtHCid1snuWUkZhcNTETBSMj78xNtDAY8 uy0Miq+9qbbM60mPUKysTFTnro5VrZTgNOw3PNwQH24V5V5z5oRLRz9wmYGluo8MGVp/ yLTR92EOoeX5lfg59Zem10G0IT1hysAkKohiBtJtZZ5PfH4k6XIljy4UUoqHMvx7g6ve 7RBKiDCSvZ26x12EmDUv/5P7cO+ZUlsjCA/TU9b29cQtamldJD1e4kngQVKdiT8ht8Mb nyLg== X-Forwarded-Encrypted: i=1; AFNElJ8gA2fKfXKrmsrWmKECVMmJtw/youH1P/2Gsw2KIDr1zRiJunUGFoQpYa7vdFCBYUcYVgdZhbZMz3/b+/0=@vger.kernel.org X-Gm-Message-State: AOJu0YxrKkl6u2dI61MDzR/i5LdXexJdz5J6cmvTPD2+l4puHJSCzqr0 My77VfaPa/jAY+FGCys8o4Vpx2Gi7q6J/SmNXWdrnYzfDs1tZs6u0I1p X-Gm-Gg: Acq92OFaYKUMkn652pH9BAKunu67aj6W86qSNOkOfVD+05KXiI/E13sT0O3ls6WOwFI ekEIaEH7g+OcqaeIcx+aN47x1srlsUdQJ8C727p1qkGZWikUYpa7bh1fEvaU3x1t9mRMTj3x1Su 3zZgEETd5b7WHBN+4LKx5ji3hjP555h7GrIUS9Mloo0GfaSFU6LeyO4bF74Pppd4H6aNA8BL4yu i1RrXDMZbeNHNdxTKaEhqB5J05z1cXruiL2zGgPoBqpC8B4TcIVQ7qmX1a/q4NFjRTXEZ1GjZFJ Qr8o/iI4yvBsD9hvtvU2T2JNZqp2YHqe4m7V93JQLo/fxi3fMp8Tb3U30TkbKcmWIqmOCXMu25t kTrp1PpJZHpB0uHoerlTCx3iBfQWKniJMnFIDuEL8d5ZzVFM5sTitjOdfjxj/iAzYJY8csZLfJL h5bjhfbCmq0OLQ5X+cDK3Cuj2rwDHslMQtLMnSdDO43XuLuK12En373rR/usZg7PbsUQ== X-Received: by 2002:a17:90b:380e:b0:36d:ae6a:22f0 with SMTP id 98e67ed59e1d1-370f0a5fde1mr12621612a91.14.1780846126591; Sun, 07 Jun 2026 08:28:46 -0700 (PDT) Received: from acer-nitro-anv15-41.. ([116.72.144.249]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36f6bf82841sm15604680a91.2.2026.06.07.08.28.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jun 2026 08:28:46 -0700 (PDT) From: "shaikh.kamal" To: Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: pbonzini@redhat.com, skhan@linuxfoundation.org, me@brighamcampbell.com, "shaikh.kamal" , kernel test robot Subject: [PATCH] mm/mmu_notifier: Fix build on !CONFIG_MMU_NOTIFIER Date: Sun, 7 Jun 2026 20:58:30 +0530 Message-ID: <20260607152830.8775-1-shaikhkamal2012@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <202605031109.uxckW5L3-lkp@intel.com> References: <202605031109.uxckW5L3-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add missing static inline stub for mmu_notifier_oom_enter() in the !CONFIG_MMU_NOTIFIER section of include/linux/mmu_notifier.h. Without this stub, allnoconfig builds fail with: mm/oom_kill.c:523: error: implicit declaration of function 'mmu_notifier_oom_enter' Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202605031109.uxckW5L3-lkp@int= el.com/ Signed-off-by: shaikh.kamal --- include/linux/mmu_notifier.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 0ccd590f55d3..ad1a5e311ab7 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -670,6 +670,10 @@ static inline void mmu_notifier_synchronize(void) { } =20 +static inline void mmu_notifier_oom_enter(struct mm_struct *mm) +{ +} + #endif /* CONFIG_MMU_NOTIFIER */ =20 #endif /* _LINUX_MMU_NOTIFIER_H */ --=20 2.43.0