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[209.85.208.180]) by smtp.gmail.com with ESMTPSA id h4sm1212210lft.184.2021.09.14.13.48.32 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Sep 2021 13:48:32 -0700 (PDT) Received: by mail-lj1-f180.google.com with SMTP id w4so952332ljh.13 for ; Tue, 14 Sep 2021 13:48:32 -0700 (PDT) X-Received: by 2002:a2e:1542:: with SMTP id 2mr17497299ljv.249.1631652511805; Tue, 14 Sep 2021 13:48:31 -0700 (PDT) MIME-Version: 1.0 References: <20210914105620.677b90e5@oasis.local.home> <20210914145953.189f15dc@oasis.local.home> In-Reply-To: From: Linus Torvalds Date: Tue, 14 Sep 2021 13:48:15 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] tracing: Fixes to bootconfig memory management To: Steven Rostedt Cc: Mike Rapoport , Andrew Morton , LKML , Ingo Molnar , Masami Hiramatsu , Linux-MM , Vlastimil Babka Content-Type: text/plain; charset="UTF-8" Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b="XII/PyFY"; spf=pass (imf12.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.208.182 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org; dmarc=none X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 0DBD110000AC X-Stat-Signature: c9iob93ahpsrdtxqtp51cmddepwhacwf X-HE-Tag: 1631652514-653341 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: On Tue, Sep 14, 2021 at 12:38 PM Linus Torvalds wrote: > > So I'll do a minimal conversion that adds "memblock_free_ptr()" and > hope that people start using that. And then we can later try to move > "memblock_free()" to a name that isn't so misleading. Commit 77e02cf57b6c ("memblock: introduce saner 'memblock_free_ptr()' interface") should hopefully fix that panic that Vlastimil saw, and the kernel test robot report as well. And it should make it easy to cleanly fix that 'copy' leak too. Linus