From nobody Mon Feb 9 09:01:29 2026 Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (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 976491703AD for ; Mon, 25 Mar 2024 14:56:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=93.17.236.30 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711378607; cv=none; b=plEtjGXGjiFOzHrecp1DU4cJlUSHxYeWfyt/QF3KqeVDrPYL3t3zlFAVpjVd27QUJXwp6EtyaJxa6eyN+43HVjreN6nfkwO0YiPf9gdadfjU7X9CoZj5YwyqN9253FfQSdTbLKQqGbVL8TPpscSixWmauOxubj0MACz3F6MOb98= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711378607; c=relaxed/simple; bh=Lt4RxvANgRMdtDBAVPsx//g2luBxg6RgUDKkYHSTyhY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uBYGWfyhdKXhW6YY20vAu/mFYFaLK0N8STdM378U+7covZsgIwBcEa8Fu7wAp3dk6zxGaWD6rOnKGABcVsI3NdGGexz1Ap7sgbO+H+e+G0zZs89xj4YOyj2GMQM8K6v2MHnb0GgPsWZv3FvIdEmD2vbmSap1z+hKkep2Wvne+No= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=csgroup.eu; spf=pass smtp.mailfrom=csgroup.eu; arc=none smtp.client-ip=93.17.236.30 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=csgroup.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=csgroup.eu Received: from localhost (mailhub3.si.c-s.fr [192.168.12.233]) by localhost (Postfix) with ESMTP id 4V3GGT3g45z9snj; Mon, 25 Mar 2024 15:56:17 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CGKskKphEDJv; Mon, 25 Mar 2024 15:56:17 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4V3GGK5rj0z9scH; Mon, 25 Mar 2024 15:56:09 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C557B8B765; Mon, 25 Mar 2024 15:56:09 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id sXq_S5qTELHS; Mon, 25 Mar 2024 15:56:09 +0100 (CET) Received: from PO20335.idsi0.si.c-s.fr (unknown [172.25.230.108]) by messagerie.si.c-s.fr (Postfix) with ESMTP id A4DC88B76E; Mon, 25 Mar 2024 15:56:09 +0100 (CET) From: Christophe Leroy To: Andrew Morton , Jason Gunthorpe , Peter Xu Cc: Christophe Leroy , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 6/8] powerpc/8xx: Fix size given to set_huge_pte_at() Date: Mon, 25 Mar 2024 15:55:59 +0100 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1711378567; l=902; i=christophe.leroy@csgroup.eu; s=20211009; h=from:subject:message-id; bh=Lt4RxvANgRMdtDBAVPsx//g2luBxg6RgUDKkYHSTyhY=; b=c9gTmd1HGEGsfYiLHRnhana1OzLTL6trd8ka61OZyKCy5KH57OasGxcAO+/VSMoNQJJQ2bs+v xysdBK83WZFAJyRPxyzJLps05TlJdfoMccQzAAXNNuMiV2r8FUxHCkC X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" set_huge_pte_at() expects the real page size, not the psize which is the index of the page definition in table mmu_psize_defs[] Fixes: 935d4f0c6dc8 ("mm: hugetlb: add huge page size param to set_huge_pte= _at()") Signed-off-by: Christophe Leroy --- arch/powerpc/mm/nohash/8xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c index 6be6421086ed..70b4d807fda5 100644 --- a/arch/powerpc/mm/nohash/8xx.c +++ b/arch/powerpc/mm/nohash/8xx.c @@ -94,7 +94,8 @@ static int __ref __early_map_kernel_hugepage(unsigned lon= g va, phys_addr_t pa, return -EINVAL; =20 set_huge_pte_at(&init_mm, va, ptep, - pte_mkhuge(pfn_pte(pa >> PAGE_SHIFT, prot)), psize); + pte_mkhuge(pfn_pte(pa >> PAGE_SHIFT, prot)), + 1UL << mmu_psize_to_shift(psize)); =20 return 0; } --=20 2.43.0