From patchwork Wed Mar 27 13:05:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 13606637 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 634A6C54E67 for ; Wed, 27 Mar 2024 13:06:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jZ6b+HlCVWuKn27jqEWzElf82KGc8o6e9kty89JkIGU=; b=VeXkAdvsCIGMmk Fk/GGSX7ag5TmfSE4OU9ml4elSpWVBUqGS909+Ckvnp9y+0d5QM2mZTejVcGQ+Ye4Tlhjmm8eYAKG W1o3pPfE1mHR9I6QCqxgwwFW8jGI1n1WqemR4Y1fG80Bi1c+mnB9NhNgEW/ZHC1nFQrh69UYnAfeW 8fdpuwavlt1ykj3bfd+ME2Z3gpBo/bK47zkTOQwHpVweSlHoc0fW1lRgrIIbCUPsiUxfUflm7qhv2 HcFtzaH0sStgQQtSVMs9rUxxcBYa/kSxqddnSCblY9NXuWu9pvSZKkT7jSRMVXXaKNjI81Z+oO3on l2GloGKUzWD+wAEurk5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rpSz9-000000095BV-3V4a; Wed, 27 Mar 2024 13:06:31 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rpSym-000000094uh-2iZR for linux-arm-kernel@lists.infradead.org; Wed, 27 Mar 2024 13:06:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1711544766; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gSD1jJkroCyXm61fF+oNruRo3coWmssTF4skwAil3Lw=; b=VvTLv1yh7dmp2mLc09x+Jnt/bGSBu6ajNsroUd66opLw6ZFNRT2oft9QObmuCs3WlnmLzR hBnBr8WNAT+0h1y7KEVW+269yKkmDKDOEfIHluYezihBNSQJ6eSJ6bQ4FNOv1zKCWgjgQ4 Par+Mw6jIhXvAn2TwemHj37elrn025o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-572-n4vWnbRDMPWu0T-sgcsqLg-1; Wed, 27 Mar 2024 09:06:00 -0400 X-MC-Unique: n4vWnbRDMPWu0T-sgcsqLg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 82920800265; Wed, 27 Mar 2024 13:05:59 +0000 (UTC) Received: from t14s.fritz.box (unknown [10.39.193.208]) by smtp.corp.redhat.com (Postfix) with ESMTP id 203CF1C060D0; Wed, 27 Mar 2024 13:05:55 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: David Hildenbrand , Andrew Morton , Mike Rapoport , Jason Gunthorpe , John Hubbard , Peter Xu , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-mm@kvack.org, linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, x86@kernel.org Subject: [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments Date: Wed, 27 Mar 2024 14:05:38 +0100 Message-ID: <20240327130538.680256-4-david@redhat.com> In-Reply-To: <20240327130538.680256-1-david@redhat.com> References: <20240327130538.680256-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240327_060608_830468_455EE68E X-CRM114-Status: GOOD ( 14.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Let's fixup the remaining comments to consistently call that thing "GUP-fast". With this change, we consistently call it "GUP-fast". Signed-off-by: David Hildenbrand Reviewed-by: Mike Rapoport (IBM) --- mm/filemap.c | 2 +- mm/khugepaged.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 387b394754fa..c668e11cd6ef 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1810,7 +1810,7 @@ EXPORT_SYMBOL(page_cache_prev_miss); * C. Return the page to the page allocator * * This means that any page may have its reference count temporarily - * increased by a speculative page cache (or fast GUP) lookup as it can + * increased by a speculative page cache (or GUP-fast) lookup as it can * be allocated by another user before the RCU grace period expires. * Because the refcount temporarily acquired here may end up being the * last refcount on the page, any page allocation must be freeable by diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 38830174608f..6972fa05132e 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1169,7 +1169,7 @@ static int collapse_huge_page(struct mm_struct *mm, unsigned long address, * huge and small TLB entries for the same virtual address to * avoid the risk of CPU bugs in that area. * - * Parallel fast GUP is fine since fast GUP will back off when + * Parallel GUP-fast is fine since GUP-fast will back off when * it detects PMD is changed. */ _pmd = pmdp_collapse_flush(vma, address, pmd);