From nobody Tue Feb 10 04:12:30 2026 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8BDB745000 for ; Thu, 4 Jul 2024 04:32:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720067555; cv=none; b=USfFBnTCr/7GvtSue3lImn8TKPVpWB9+kyD/JDFmMzfs8JxMifGr29yxdCTJoWN9IcCQktvEkx0yZfaCfham8PETUDjulxZ4SGUX1js84TyTl8fIRKelYz88Kfx7nSAKoCVt2ghGqHZpHd+QhxEJhDuUf0GaiBllKF3NOmAhbLE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720067555; c=relaxed/simple; bh=b9RoC8BUyBgraGZurHs62mAW314Bvdf9N/tMXnfaIpA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=p4sJHlLurCBtvP901lhly2e9pKIzLkNzeE7KxAA+n70Iuohx+itHSXTI5hoc+hYqpnYGPfqmjvjamQN8S3Okr8/oKElJqvs91rU+m6dbGoGQjMw4UpcMjzttq+4TvHkH4F4QAD51mU3Rr8ckwxx0eswZUTmvop844kw3HoY/H7M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de; spf=pass smtp.mailfrom=suse.de; arc=none smtp.client-ip=195.135.223.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id D6F111FCF7; Thu, 4 Jul 2024 04:32:31 +0000 (UTC) Authentication-Results: smtp-out2.suse.de; none Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id B441C13889; Thu, 4 Jul 2024 04:32:30 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 8OBhJ94lhmbnDAAAD6G6ig (envelope-from ); Thu, 04 Jul 2024 04:32:30 +0000 From: Oscar Salvador To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Peter Xu , Muchun Song , David Hildenbrand , SeongJae Park , Miaohe Lin , Michal Hocko , Matthew Wilcox , Christophe Leroy , Oscar Salvador Subject: [PATCH 33/45] mm/hmm: Enable hmm_vma_walk_pud to handle PUD-mapped hugetlb vmas Date: Thu, 4 Jul 2024 06:31:20 +0200 Message-ID: <20240704043132.28501-34-osalvador@suse.de> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240704043132.28501-1-osalvador@suse.de> References: <20240704043132.28501-1-osalvador@suse.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: D6F111FCF7 X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Spam-Flag: NO X-Spam-Score: -4.00 X-Spam-Level: Content-Type: text/plain; charset="utf-8" Normal THP cannot be PUD-mapped (besides devmap), but hugetlb can, so enable hmm_vma_walk_pud to handle PUD-mapped hugetlb vmas. Signed-off-by: Oscar Salvador --- mm/hmm.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/hmm.c b/mm/hmm.c index fbee08973544..2b752f703b6d 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -396,8 +396,7 @@ static int hmm_vma_walk_pmd(pmd_t *pmdp, return 0; } =20 -#if defined(CONFIG_ARCH_HAS_PTE_DEVMAP) && \ - defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD) +#if (defined(CONFIG_ARCH_HAS_PTE_DEVMAP) || defined (CONFIG_PGTABLE_HAS_HU= GE_LEAVES)) static inline unsigned long pud_to_hmm_pfn_flags(struct hmm_range *range, pud_t pud) { @@ -429,7 +428,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long = start, unsigned long end, return hmm_vma_walk_hole(start, end, -1, walk); } =20 - if (pud_leaf(pud) && pud_devmap(pud)) { + if (pud_leaf(pud)) { unsigned long i, npages, pfn; unsigned int required_fault; unsigned long *hmm_pfns; --=20 2.26.2