From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 D6A4E3F327F; Thu, 24 Sep 2026 10:06:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790244413; cv=none; b=sL5HTogkD7qz0a7Ztoe4Hhq50Yaklu6YydM5Sw+XTKaHAd/87ev14RmUVKH2WflQPxblvjOUiWaGli+y9G/rp4JnQ2OIX7ZyYqLks6YcqrWRWBVA4GDOhwiLa8EfOX07PRzSNnIrF/uxwBFZgmM+VQnhNqqg2SbLEWD5HEg9Ypc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790244413; c=relaxed/simple; bh=iewJ/UzRcwvim8mGh0VCVWZcnN1eKM0tebXGdS7Tqsw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bSzzLI0X8ahSTcQ6ahx3jatlrT4nXf6Dbxbrt5GuKmyZ4eK95OFgFnUe2xqe0iDn1RlDDuIOKw7HGy4Unk026agLLVkf+7xRKfsbUE0Ar/uyiq/yxMY2AblpdLkWm9WBEmbm/sulz/Ym4TDi7tqwksscmi57lWYxl61t3u0umPk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OA0Wwjkr; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OA0Wwjkr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 982691F00898; Thu, 24 Sep 2026 10:06:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790244400; bh=+jezVnsczHca2+N3DdTe1/ZWux4ulhsHRjwwcueBcvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=OA0Wwjkrad2J01S7AVOXgv9vB7OxITzitM9cqnBHo/R+SMmR/Wb6JnEi/VOvV2Mr5 2GQ0T5KPCERTOQQyaKhjIMcAEoJCmXuPc/1IlVl4GqUieGyYG9M7bq9V9hdPzuGu75 zm5bZ6Vq9QKL5c2wtyNV07tR16E9ZCOrsDt/JCGwoBvTAiOwutEZ44qNObS1JXTIQm thqkWUr0JA9TdGwc9tUQRVAHzwZRsT4bDyZTeHuozNp3wPg4eqZQgmF/val0gVwhXN oIIrRZN/VaX3X3Ibu2efYFQqrrjq3udn0ykeO2gGCkLVxqnNNfkpFsX/NM1LKugnmA wsfiHOZHqec5A== From: "Aneesh Kumar K.V (Arm)" To: linux-coco@lists.linux.dev, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev Cc: "Aneesh Kumar K.V (Arm)" , Andrew Morton , Baoquan He , Mike Rapoport , Pasha Tatashin , Pratyush Yadav , Catalin Marinas , =?UTF-8?q?Christian=20K=C3=B6nig?= , Jason Gunthorpe , Joerg Roedel , Marc Zyngier , Marek Szyprowski , Robin Murphy , Steven Price , Sumit Semwal , Suzuki K Poulose , Thomas Gleixner , Will Deacon , Russell King , Benjamin Gaignard , Brian Starkey , John Stultz , Mark Rutland , Radu Rendec , "T.J. Mercier" , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Ritesh Harjani , Shrikanth Hegde , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Kiryl Shutsemau , Rick Edgecombe , "K . Y . Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Paolo Bonzini , Vitaly Kuznetsov , Andy Lutomirski , Peter Zijlstra , dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-media@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v8 03/14] irqchip/gic-v3-its: Resolve the default NUMA node explicitly Date: Thu, 24 Sep 2026 15:35:18 +0530 Message-ID: <20260924100529.1398790-4-aneesh.kumar@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260924100529.1398790-1-aneesh.kumar@kernel.org> References: <20260924100529.1398790-1-aneesh.kumar@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit alloc_pages_node() resolves NUMA_NO_NODE to numa_mem_id() internally. In preparation for switching ITS allocations to the CoCo shared memory allocator, resolve the default node explicitly in its_alloc_pages(). The CoCo shared memory allocator interprets NUMA_NO_NODE as a request to apply the current task's memory policy. Passing numa_mem_id() instead preserves the existing nearest-memory-node placement across the allocator switch. This patch does not change the current allocation behavior. Cc: Marc Zyngier Cc: Thomas Gleixner Cc: Radu Rendec Signed-off-by: Aneesh Kumar K.V (Arm) --- drivers/irqchip/irq-gic-v3-its.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index e9807af23537..ac5507acb1a0 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -236,7 +237,7 @@ static struct page *its_alloc_pages_node(int node, gfp_t gfp, static struct page *its_alloc_pages(gfp_t gfp, unsigned int order) { - return its_alloc_pages_node(NUMA_NO_NODE, gfp, order); + return its_alloc_pages_node(numa_mem_id(), gfp, order); } static void its_free_pages(void *addr, unsigned int order) -- 2.43.0