Message ID | 42626baf4ce66be7fb1538c074b6508d9d867312.1638825394.git.andreyknvl@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> 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 B08FBC433F5 for <linux-arm-kernel@archiver.kernel.org>; Mon, 6 Dec 2021 21:53:01 +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=ylRR8/XXl5FxqRLlcL7zV/phydpzv4y8tAV2B4uOhto=; b=jijL4mNz9ndiht DFu3HQ7bJ//63vFzbLsCwTUi5NkG8Jisqb3jZ/u2O4bCeY30HfevcuiuBPJNdY/OL4Gqev4oFF07+ EU5UVz4t7t3dW3w3yLSnHrl2utDm7BgDnYEJ3fwutiHzeZH+mivsBNCFVRnZvu4TX6eGnyF9yVQA+ 3T3vYIMvCiHxDtSaIrA00+ANax/ZNXITuLH6RdPHTAlrzdv3RcSqY1b8nKxpAqiNmpkwVk4Rb0PYX 0LnWwB1eNBfQzBsc7F4bgRoYo4Q2trqD2NtH7mRobtAlhTEGO0tNE8UImgGQPgb0SQRibgaIl+l5J JVj7FTHzQDdopf1dnCTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1muLtC-0061UC-RX; Mon, 06 Dec 2021 21:51:15 +0000 Received: from out2.migadu.com ([2001:41d0:2:aacc::]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1muLnU-005yzZ-4z for linux-arm-kernel@lists.infradead.org; Mon, 06 Dec 2021 21:45:21 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1638827118; 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=sq3jTC1ItQcEg8U0H5RA1L+mQBZGObrT47vWcbRK6Ok=; b=ks6MOpDryY6ANscXA0vYO6PTrU6RwmxL6UskNxWm8LAanUMvR4oNITiYqJPOpM6lf6FzEL rrf7kb8PTgrzSldFjjNRdU4zm3h2sUNSRiz/RD5DVTYBoOpsBsoaxSj1NclFAu40AcowCH pMgzFiOHUwMNz0nDBe1Uy5Eqhu+NEBY= From: andrey.konovalov@linux.dev To: Marco Elver <elver@google.com>, Alexander Potapenko <glider@google.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Peter Collingbourne <pcc@google.com> Cc: Andrey Konovalov <andreyknvl@gmail.com>, Dmitry Vyukov <dvyukov@google.com>, Andrey Ryabinin <ryabinin.a.a@gmail.com>, kasan-dev@googlegroups.com, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org, Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>, linux-arm-kernel@lists.infradead.org, Evgenii Stepanov <eugenis@google.com>, linux-kernel@vger.kernel.org, Andrey Konovalov <andreyknvl@google.com> Subject: [PATCH v2 13/34] kasan, page_alloc: move kernel_init_free_pages in post_alloc_hook Date: Mon, 6 Dec 2021 22:43:50 +0100 Message-Id: <42626baf4ce66be7fb1538c074b6508d9d867312.1638825394.git.andreyknvl@google.com> In-Reply-To: <cover.1638825394.git.andreyknvl@google.com> References: <cover.1638825394.git.andreyknvl@google.com> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_134520_397142_C8D57831 X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
kasan, vmalloc, arm64: add vmalloc tagging support for SW/HW_TAGS
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expand
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diff --git a/mm/page_alloc.c b/mm/page_alloc.c index cbbaf76db6d9..5c346375cff9 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2420,14 +2420,18 @@ inline void post_alloc_hook(struct page *page, unsigned int order, init = false; } if (kasan_has_integrated_init()) { - if (!init_tags) + if (!init_tags) { kasan_unpoison_pages(page, order, init); + + /* Note that memory is already initialized by KASAN. */ + init = false; + } } else { kasan_unpoison_pages(page, order, init); - - if (init) - kernel_init_free_pages(page, 1 << order); } + /* If memory is still not initialized, do it now. */ + if (init) + kernel_init_free_pages(page, 1 << order); /* Propagate __GFP_SKIP_KASAN_POISON to page flags. */ if (IS_ENABLED(CONFIG_KASAN_HW_TAGS) && (gfp_flags & __GFP_SKIP_KASAN_POISON))