From patchwork Wed Mar 27 19:13:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 13607313 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (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 B95B1150999 for ; Wed, 27 Mar 2024 19:19:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711567182; cv=none; b=kC5V5Ve/gdAgijkWli8jlXwLhLFOvMiaM7M87aKNng+gnU1xOjzgn4czy/N+v5pjVYlOX8W+nHLYy8yMo8b8hMMMCBs7EFHbytpzNSyKdGb4UVqhi+Gs112Wuu2YRRIOkUZRy+jcPzZgUTyURms/ep/oFoC77y54kqGz4SsgMps= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711567182; c=relaxed/simple; bh=IA363V3fu31t0PPCUsgoiiOfsNv8iW0Wnt/MjZXXrdg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D/pB3/Q6IZfKVpm7usEQ77xvh8OOBWrRPBb1S60bJaC4pu8dddoGXpfjEr3suspvpJPvkf5UIL+ko/WSVEmCC/5JAFPrwn+nv+GU/qGLGm+AHvrpq/qL4pp+lKGBgPNB1L5Ne1TFCXDlAvl8Uyd3R/dcYozv0OAIp6oIPN6K7Hk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=MGQAUAg8; arc=none smtp.client-ip=209.85.210.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="MGQAUAg8" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-6e6c38be762so41801b3a.1 for ; Wed, 27 Mar 2024 12:19:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1711567178; x=1712171978; 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=wQ3pMD8RptEK8J/o1yry4PoQVSvIoeVGC8WVz8qkQnE=; b=MGQAUAg8JBiuAndO1P/LkBeEsL+kBWIM5rKFLkh8WKIrfaiZ4pYwNz0FDtmqtTbBbN r9XtBJgJyRPVCvspvAEmaloOHoUZiZi7TkDfB+HC/3dCpSMLv8418wxZif0+EF1XgMyP gtfvNpIzIHtlMvF8sAXP5A5dJr40by4G98LMpXJ/PlMhTtW/GuivS5Noh1YURkccHwHb tThfeiUh++7XVFUAG1yqr6HYfGAOOsB4eOCv/yjExVaXDjQIB0P7oUqz8un/SF/ZQ/+a Ra/jVmJ+T2kcK7X1kO3B0UPjyA0esSodTfNh1cKz8UoYlVh/1BvkYFvjKofdpsv0jhhZ qwUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711567178; x=1712171978; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wQ3pMD8RptEK8J/o1yry4PoQVSvIoeVGC8WVz8qkQnE=; b=gPgDC9ID5s5/hfHNEqwa7jja2rNhVeXWYn/07zWGmLNEXV00MEwOPLJ5Ypi099y61g Z6K6CtGJ67bq+7pPzF53a1ZpPe2EZr2lkctFtQZm//aus1JTffRLloK+7N0hwsX5xFSp rI/fZ3YQ653cmvnsoRoBegjz3dEvdZ8lh9iBc6D318qNRnRXpkVLTJJXfN2E/19qtfvC rK8uKd0p1dsaTW/LVK31DrcntU9CsLGklsZSNALpTpzCMIBVlpiy6CVzmxAKpoCjKpVK lrGgtRK6tNGLQ0J5l2IthtID0jnY31aSeKemcRaELvyaMip2E9uOhnHAWhjhu9EbXV/o /CKg== X-Gm-Message-State: AOJu0YxNhztb4+YiVYrN6FBAlXOsu+QazHpPaDK+qfeUKgLhFbDE8M/q ppb79oSRSGG6OCU0KWIvE0gDH6VBdXh+bHOrfhQNNDbYlpSVpnFUo2gzdUO4Qky2ui5GHnR5GL+ w X-Google-Smtp-Source: AGHT+IGDi776sKRTAaThr1/xhwh1sZyR+nsGH01NhnQYNzLClxWWhJ//PUYFuHG/OhE6yF4O4gzraA== X-Received: by 2002:a05:6a00:39a3:b0:6e9:ca7b:c150 with SMTP id fi35-20020a056a0039a300b006e9ca7bc150mr830072pfb.3.1711567178023; Wed, 27 Mar 2024 12:19:38 -0700 (PDT) Received: from m2max.thefacebook.com ([2620:10d:c090:600::1:bb1e]) by smtp.gmail.com with ESMTPSA id n2-20020aa79842000000b006e6c3753786sm8278882pfq.41.2024.03.27.12.19.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Mar 2024 12:19:37 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 01/10] mm: add nommu variant of vm_insert_pages() Date: Wed, 27 Mar 2024 13:13:36 -0600 Message-ID: <20240327191933.607220-2-axboe@kernel.dk> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240327191933.607220-1-axboe@kernel.dk> References: <20240327191933.607220-1-axboe@kernel.dk> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 An identical one exists for vm_insert_page(), add one for vm_insert_pages() to avoid needing to check for CONFIG_MMU in code using it. Signed-off-by: Jens Axboe Acked-by: Johannes Weiner --- mm/nommu.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/mm/nommu.c b/mm/nommu.c index 5ec8f44e7ce9..a34a0e376611 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -355,6 +355,13 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, } EXPORT_SYMBOL(vm_insert_page); +int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr, + struct page **pages, unsigned long *num) +{ + return -EINVAL; +} +EXPORT_SYMBOL(vm_insert_pages); + int vm_map_pages(struct vm_area_struct *vma, struct page **pages, unsigned long num) {