From patchwork Mon Jul 27 16:29:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11687181 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 89C116C1 for ; Mon, 27 Jul 2020 16:30:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 562872078E for ; Mon, 27 Jul 2020 16:30:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="jYQXxt3m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 562872078E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8961A6B0006; Mon, 27 Jul 2020 12:30:06 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 81F946B0007; Mon, 27 Jul 2020 12:30:06 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6E9646B0008; Mon, 27 Jul 2020 12:30:06 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0070.hostedemail.com [216.40.44.70]) by kanga.kvack.org (Postfix) with ESMTP id 59AE96B0006 for ; Mon, 27 Jul 2020 12:30:06 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 0B58C824999B for ; Mon, 27 Jul 2020 16:30:06 +0000 (UTC) X-FDA: 77084392812.20.arm11_241503426f62 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin20.hostedemail.com (Postfix) with ESMTP id 8DEF9180C060E for ; Mon, 27 Jul 2020 16:30:05 +0000 (UTC) X-Spam-Summary: 1,0,0,fd75e6189bffe3bb,d41d8cd98f00b204,rppt@kernel.org,,RULES_HIT:41:355:379:541:800:960:968:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1541:1711:1730:1747:1777:1792:2393:2559:2562:2693:3138:3139:3140:3141:3142:3352:3865:3867:3870:3872:4321:4605:5007:6261:6653:6742:6743:7576:7903:8957:10004:11026:11658:11914:12114:12296:12297:12438:12517:12519:12555:12679:12895:12986:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21627:21990,0,RBL:198.145.29.99:@kernel.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201;04yr53ktmtx5e8cwiefpapmowu1mxocbwue3bqp3puw8ubrqxoa96drmsfy5cpz.bahfa5ym388w6jidbchbk6us6zokk8jp1przeirr8cyp1fkgfea7bhfb4mko7rj.r-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:26,LUA_SUMMARY:none X-HE-Tag: arm11_241503426f62 X-Filterd-Recvd-Size: 3874 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Mon, 27 Jul 2020 16:30:04 +0000 (UTC) Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E548F2075A; Mon, 27 Jul 2020 16:29:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595867403; bh=i3ck5owJRi0EzoQDSEZTjtoEmjw9+HiuwoyKwgJ9tdg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jYQXxt3mDojgCrkM9qOVf+6yiwFkDDov4EflZwIMMkgnm/BN9oWlS00HvA/SdRmtX bN3VmIfmqkFJTIFb3IIwfAQ5GcNm2s76hAWkkN4yuKapACBTO2PWtn1Hhe1s8bH+TZ 02+m3Goh4AYw7uT/WY+dAJ7S9qOSzd6Le8sgdhRs= From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Viro , Andrew Morton , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , Elena Reshetova , "H. Peter Anvin" , Idan Yaniv , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mike Rapoport , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Thomas Gleixner , Tycho Andersen , Will Deacon , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org Subject: [PATCH v2 2/7] mmap: make mlock_future_check() global Date: Mon, 27 Jul 2020 19:29:30 +0300 Message-Id: <20200727162935.31714-3-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200727162935.31714-1-rppt@kernel.org> References: <20200727162935.31714-1-rppt@kernel.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 8DEF9180C060E X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Mike Rapoport It will be used by the upcoming secret memory implementation. Signed-off-by: Mike Rapoport --- mm/internal.h | 3 +++ mm/mmap.c | 5 ++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/mm/internal.h b/mm/internal.h index 9886db20d94f..af0a92f8f6bc 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -349,6 +349,9 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma) extern void mlock_vma_page(struct page *page); extern unsigned int munlock_vma_page(struct page *page); +extern int mlock_future_check(struct mm_struct *mm, unsigned long flags, + unsigned long len); + /* * Clear the page's PageMlocked(). This can be useful in a situation where * we want to unconditionally remove a page from the pagecache -- e.g., diff --git a/mm/mmap.c b/mm/mmap.c index 8c7ca737a19b..ee92b7b4b185 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1310,9 +1310,8 @@ static inline unsigned long round_hint_to_min(unsigned long hint) return hint; } -static inline int mlock_future_check(struct mm_struct *mm, - unsigned long flags, - unsigned long len) +int mlock_future_check(struct mm_struct *mm, unsigned long flags, + unsigned long len) { unsigned long locked, lock_limit;