Message ID | 20230823131350.114942-38-alexandru.elisei@arm.com (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <owner-linux-mm@kvack.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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64CFAEE49A0 for <linux-mm@archiver.kernel.org>; Wed, 23 Aug 2023 13:18:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D6691280076; Wed, 23 Aug 2023 09:18:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D15D628005D; Wed, 23 Aug 2023 09:18:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BDE1E280076; Wed, 23 Aug 2023 09:18:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id AD2EB28005D for <linux-mm@kvack.org>; Wed, 23 Aug 2023 09:18:10 -0400 (EDT) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 81C051A006F for <linux-mm@kvack.org>; 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[RFC,01/37] mm: page_alloc: Rename gfp_to_alloc_flags_cma -> gfp_to_alloc_flags_fast
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diff --git a/arch/arm64/kernel/mte_tag_storage.c b/arch/arm64/kernel/mte_tag_storage.c index 1ccbcc144979..18264bc8f590 100644 --- a/arch/arm64/kernel/mte_tag_storage.c +++ b/arch/arm64/kernel/mte_tag_storage.c @@ -399,6 +399,12 @@ static int __init mte_tag_storage_activate_regions(void) } ret = reserve_metadata_storage(ZERO_PAGE(0), 0, GFP_HIGHUSER_MOVABLE); + if (ret) { + pr_info("MTE tag storage disabled"); + } else { + static_branch_enable(&metadata_storage_enabled_key); + pr_info("MTE tag storage enabled\n"); + } return ret; }
Everything is in place, enable tag storage management. Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com> --- arch/arm64/kernel/mte_tag_storage.c | 6 ++++++ 1 file changed, 6 insertions(+)