From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9473FC3ABBF for ; Tue, 6 May 2025 13:44:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C15926B009B; Tue, 6 May 2025 09:44:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B9F6B6B009D; Tue, 6 May 2025 09:44:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9C98D6B009E; Tue, 6 May 2025 09:44:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 728706B009C for ; Tue, 6 May 2025 09:44:36 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 8D22358E69 for ; Tue, 6 May 2025 13:44:38 +0000 (UTC) X-FDA: 83412603036.07.A46971D Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf11.hostedemail.com (Postfix) with ESMTP id 8C1D040008 for ; Tue, 6 May 2025 13:44:36 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=byhdXSb3; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf11.hostedemail.com: domain of devnull+Ignacio.MorenoGonzalez.kuka.com@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=devnull+Ignacio.MorenoGonzalez.kuka.com@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1746539076; a=rsa-sha256; cv=none; b=WZJbBR5yRVT7Gnvczm+ATId8Y0tIRz9RYWDO7DtyFewnBwEY6Q/Kvh8PkFb+pWbgGiNmWX GHhxJOGHzwfF4K99W3y/zNEKnni1IsyZXXmFJy4ZKFL4S3d+oHVCo49cgMEP708pIHguNx VwGw/oJPcZXeJXZm9CfHXIrFfWS/3J8= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=byhdXSb3; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf11.hostedemail.com: domain of devnull+Ignacio.MorenoGonzalez.kuka.com@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=devnull+Ignacio.MorenoGonzalez.kuka.com@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1746539076; h=from:from:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=aYGLC59yBOLe8Er1hp57xjmN3cfqrDbw4Wx22RrCznY=; b=Cr2tb/ihcBGViEEmktBZo1hESRJ5+MQDJxuYTNEry/xbDOMsOjey7+Ps+NduqC/xsduNeH jWCPBmBCDvzfIX5OxdqYZlUCQsb7wC0F/BAG8i6WudXNW66xyBw6n+5ERcOD2xROcaSoV6 Mwz9kYd9Stvcx4JYSHf+yjB2Hi3AGvs= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 38D1A4A76C; Tue, 6 May 2025 13:44:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 17C76C4CEEF; Tue, 6 May 2025 13:44:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746539075; bh=5IGNnrCW9/fyS6L3OffLvdNxo2LX/iRpie5dVPbjSnk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=byhdXSb33LSjExtUoHQ7NvMH+2X5gdyZa0j8Ym3aR02xL8s22YtlA5xLF7hqGrwAW v/ZzjXr9mIB6NWIp5wCrrxPWd7bzB0eZr8/db+EzhwQyYakQz4EYXu7Qry/kivzG6R IfZn+iD9VRW+kLd22+4KPBkOB9YiQpnL7pL3SWg01bBJaOfSoHflM44qLljD7rjopr SRYQJbvqsCqg1V0Lsvl+T/cecUg22n7vg73f5vj5UBGWLppbKOBBxQLeOEAny2Uc00 lE4mK7zeB2TTRjL0D43bLZ6c7k8QVAuCV0Iw2TLHU8B8P2lnLadY0Wruv7DelufkjL uCDJv7dJI2H1A== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09845C3ABBF; Tue, 6 May 2025 13:44:35 +0000 (UTC) From: Ignacio Moreno Gonzalez via B4 Relay Date: Tue, 06 May 2025 15:44:32 +0200 Subject: [PATCH v2 1/2] mm: mmap: map MAP_STACK to VM_NOHUGEPAGE only if THP is enabled MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250506-map-map_stack-to-vm_nohugepage-only-if-thp-is-enabled-v2-1-f11f0c794872@kuka.com> References: <20250506-map-map_stack-to-vm_nohugepage-only-if-thp-is-enabled-v2-0-f11f0c794872@kuka.com> In-Reply-To: <20250506-map-map_stack-to-vm_nohugepage-only-if-thp-is-enabled-v2-0-f11f0c794872@kuka.com> To: lorenzo.stoakes@oracle.com Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, yang@os.amperecomputing.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ignacio Moreno Gonzalez , stable@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1746539072; l=1259; i=Ignacio.MorenoGonzalez@kuka.com; s=20220915; h=from:subject:message-id; bh=XYJ739wkAZuMZsfnywP2nc1z2w+5Ij9FOpsGEWHBfQc=; b=FjJF1IPEHxEAk9NENUASt8abzP6yyVRSTyhImKZhtYx9J7O9/mQG4RqOSowVDcWJpPNd22h+X p+VgdMW1gBIBP+ghs+nDXnM/fVrlbrUCu7QimDzvRUfSLt4hp1b/6oQ X-Developer-Key: i=Ignacio.MorenoGonzalez@kuka.com; a=ed25519; pk=j7nClQnc5Q1IDuT4eS/rYkcLHXzxszu2jziMcJaFdBQ= X-Endpoint-Received: by B4 Relay for Ignacio.MorenoGonzalez@kuka.com/20220915 with auth_id=391 X-Original-From: Ignacio Moreno Gonzalez Reply-To: Ignacio.MorenoGonzalez@kuka.com X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 8C1D040008 X-Stat-Signature: ym1ati54z4odn4fb5eqkagweeiyc3c74 X-Rspam-User: X-HE-Tag: 1746539076-692446 X-HE-Meta: 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 O2uARNIp 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000007, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Ignacio Moreno Gonzalez commit c4608d1bf7c6 ("mm: mmap: map MAP_STACK to VM_NOHUGEPAGE") maps the mmap option MAP_STACK to VM_NOHUGEPAGE. This is also done if CONFIG_TRANSPARENT_HUGETABLES is not defined. But in that case, the VM_NOHUGEPAGE does not make sense. Fixes: c4608d1bf7c6 ("mm: mmap: map MAP_STACK to VM_NOHUGEPAGE") Cc: stable@vger.kernel.org Reviewed-by: Lorenzo Stoakes Reviewed-by: Yang Shi Signed-off-by: Ignacio Moreno Gonzalez --- include/linux/mman.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/mman.h b/include/linux/mman.h index bce214fece16b9af3791a2baaecd6063d0481938..f4c6346a8fcd29b08d43f7cd9158c3eddc3383e1 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -155,7 +155,9 @@ calc_vm_flag_bits(struct file *file, unsigned long flags) return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) | _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) | _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | +#ifdef CONFIG_TRANSPARENT_HUGEPAGE _calc_vm_trans(flags, MAP_STACK, VM_NOHUGEPAGE) | +#endif arch_calc_vm_flag_bits(file, flags); } -- 2.39.5