From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E309011710 for ; Mon, 11 Sep 2023 15:27:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C508C433C9; Mon, 11 Sep 2023 15:27:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694446072; bh=3qHW9Z7P//enYTqQoEu+Jx8ZwR2CYis/p6tLa9p+6VU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NkpLeXvasBK76mLgVSo+jzQpQNBJOJMiLvWtCfpC3R9IcaHwGmOz++0dUvtJj5igH U19vJS2N60apuYKdtg1Yr6s1Zq8PRdqMJjCm5LcKLrjp02OMhbpeIw7Y4Hnqa0/cUJ TmNNeb7KsKQ/PNGXnDIv1wfeqr3zsQI0Ge2jjc7Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Hildenbrand , Hongchen Zhang , Huacai Chen Subject: [PATCH 6.1 543/600] LoongArch: mm: Add p?d_leaf() definitions Date: Mon, 11 Sep 2023 15:49:36 +0200 Message-ID: <20230911134649.648747560@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230911134633.619970489@linuxfoundation.org> References: <20230911134633.619970489@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hongchen Zhang commit 303be4b33562a5b689261ced1616bf16ad49efa7 upstream. When I do LTP test, LTP test case ksm06 caused panic at break_ksm_pmd_entry -> pmd_leaf (Huge page table but False) -> pte_present (panic) The reason is pmd_leaf() is not defined, So like commit 501b81046701 ("mips: mm: add p?d_leaf() definitions") add p?d_leaf() definition for LoongArch. Fixes: 09cfefb7fa70 ("LoongArch: Add memory management") Cc: stable@vger.kernel.org Acked-by: David Hildenbrand Signed-off-by: Hongchen Zhang Signed-off-by: Huacai Chen Signed-off-by: Greg Kroah-Hartman --- arch/loongarch/include/asm/pgtable.h | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -560,6 +560,9 @@ static inline long pmd_protnone(pmd_t pm } #endif /* CONFIG_NUMA_BALANCING */ +#define pmd_leaf(pmd) ((pmd_val(pmd) & _PAGE_HUGE) != 0) +#define pud_leaf(pud) ((pud_val(pud) & _PAGE_HUGE) != 0) + /* * We provide our own get_unmapped area to cope with the virtual aliasing * constraints placed on us by the cache architecture.