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 X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CB61C43382 for ; Wed, 26 Sep 2018 11:55:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23DB5214DA for ; Wed, 26 Sep 2018 11:55:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="JAUZDEpV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 23DB5214DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728597AbeIZSHl (ORCPT ); Wed, 26 Sep 2018 14:07:41 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:55782 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728567AbeIZSHj (ORCPT ); Wed, 26 Sep 2018 14:07:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Type:MIME-Version:References: Subject:Cc:To:From:Date:Message-ID:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=WaLjinVEspX0O+0lLuyjlJBGguoL7I8ZRB9m9FveuTs=; b=JAUZDEpVN1a7aakroh+E8gNgii Y7gvDl/yidhk8qNXrRuRKMorNEl1Wy08pNzMRNIcG4dz78hAhENWJhR8rMAK34JlEFyK+fbJ2lC6T sH4ISC17a+6T4fmBcb/A2ty0gSvS32cTLg3OYReiE9Z1ObwMBjxDFsPUyZMe0JnuL2EW7aBB6cLkS ObK7td3D0/PPYXvspU2El5Paj/AC7s6mEOe8/u1U7KytCrv9z88aM7JVDqU1F21nHGUkr0eVH6io4 kz+HumdQ57Q3bZSvf2HzpVLh796U13lvgScXPhoMndasUrQlYJj9iLn5zcFV/s8GgABFeHRk8Susg uiX1zidQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1g58Oy-00063O-8J; Wed, 26 Sep 2018 11:54:55 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id C990E206F1838; Wed, 26 Sep 2018 13:54:04 +0200 (CEST) Message-ID: <20180926114801.468888082@infradead.org> User-Agent: quilt/0.65 Date: Wed, 26 Sep 2018 13:36:41 +0200 From: Peter Zijlstra To: will.deacon@arm.com, aneesh.kumar@linux.vnet.ibm.com, akpm@linux-foundation.org, npiggin@gmail.com Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, peterz@infradead.org, linux@armlinux.org.uk, heiko.carstens@de.ibm.com, riel@surriel.com Subject: [PATCH 18/18] asm-generic/tlb: Remove tlb_table_flush() References: <20180926113623.863696043@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There are no external users of this API (nor should there be); remove it. Signed-off-by: Peter Zijlstra (Intel) --- include/asm-generic/tlb.h | 1 - mm/mmu_gather.c | 34 +++++++++++++++++----------------- 2 files changed, 17 insertions(+), 18 deletions(-) --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -174,7 +174,6 @@ struct mmu_table_batch { #define MAX_TABLE_BATCH \ ((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *)) -extern void tlb_table_flush(struct mmu_gather *tlb); extern void tlb_remove_table(struct mmu_gather *tlb, void *table); #endif --- a/mm/mmu_gather.c +++ b/mm/mmu_gather.c @@ -91,22 +91,6 @@ bool __tlb_remove_page_size(struct mmu_g #endif /* HAVE_MMU_GATHER_NO_GATHER */ -static void tlb_flush_mmu_free(struct mmu_gather *tlb) -{ -#ifdef CONFIG_HAVE_RCU_TABLE_FREE - tlb_table_flush(tlb); -#endif -#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER - tlb_batch_pages_flush(tlb); -#endif -} - -void tlb_flush_mmu(struct mmu_gather *tlb) -{ - tlb_flush_mmu_tlbonly(tlb); - tlb_flush_mmu_free(tlb); -} - #ifdef CONFIG_HAVE_RCU_TABLE_FREE /* @@ -159,7 +143,7 @@ static void tlb_remove_table_rcu(struct free_page((unsigned long)batch); } -void tlb_table_flush(struct mmu_gather *tlb) +static void tlb_table_flush(struct mmu_gather *tlb) { struct mmu_table_batch **batch = &tlb->batch; @@ -191,6 +175,22 @@ void tlb_remove_table(struct mmu_gather #endif /* CONFIG_HAVE_RCU_TABLE_FREE */ +static void tlb_flush_mmu_free(struct mmu_gather *tlb) +{ +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + tlb_table_flush(tlb); +#endif +#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER + tlb_batch_pages_flush(tlb); +#endif +} + +void tlb_flush_mmu(struct mmu_gather *tlb) +{ + tlb_flush_mmu_tlbonly(tlb); + tlb_flush_mmu_free(tlb); +} + /** * tlb_gather_mmu - initialize an mmu_gather structure for page-table tear-down * @tlb: the mmu_gather structure to initialize