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Fri, 1 May 2026 19:20:14 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.22.64.126]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1D69F1800906; Fri, 1 May 2026 19:20:11 +0000 (UTC) From: Luiz Capitulino To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, david@kernel.org, baolin.wang@linux.alibaba.com, ziy@nvidia.com, lance.yang@linux.dev Cc: corbet@lwn.net, tsbogend@alpha.franken.de, maddy@linux.ibm.com, mpe@ellerman.id.au, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, x86@kernel.org, dave.hansen@linux.intel.com, djbw@kernel.org, vishal.l.verma@intel.com, dave.jiang@intel.com, akpm@linux-foundation.org, lorenzo.stoakes@oracle.com Subject: [PATCH v4 5/9] mm: debug_vm_pgtable: use pgtable_has_pmd_leaves() Date: Fri, 1 May 2026 15:18:47 -0400 Message-ID: <3a360247fc636869c3f511cda52f3c4522418c06.1777663129.git.luizcap@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-MFC-PROC-ID: jGriVsYLWJ8TxXJ8Nu-NBiu34ZmhFGeg45a60c_PGZI_1777663214 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true X-Rspam-User: X-Rspamd-Queue-Id: 269A2100003 X-Rspamd-Server: rspam04 X-Stat-Signature: 43p1end6nxdzbne16kuohzy9k895a5fg X-HE-Tag: 1777663221-815568 X-HE-Meta: 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 pEMqgBha D4NQ0CY/wMZujPQ/EbTtiHS4EyAQ3p/mZHw0cFFkjopA5tYzbyF7QZon/gtR2Io7qDGp6Etr4ZE7UR2b9aFer5ZW9PYB63eIERRkVy7PRBhom47UbNXDAzvSB0mztc7lxX1nsJ1ytJ9BQi0cl5Y41S+SrT55hTocEBvM2te0FixPPFGzDXphIbUZLYNNqlmZOb9Kribqfuu8NzYAVnPsd9tErAI64xs8koR+KB8rWAJECeOmtfBsNzwrfbWUHhpaxmOxpEaL1rPoClLGnt3sUnuSRXgk9TiQW3C/hoeT/Q5yOsFBY/1VPlCXQ+NvwuH0uYTFb3K85hvexOnKeBL0uO/8gmT306JNZ67CP8WGY3wv4PuvEO5dymI4KL/RdfmaQqR9FAJw3Z1cER9CFyqDh5upAaa48xmUTW88t Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: debug_vm_pgtable calls has_transparent_hugepage() in multiple places to check if PMD-sized pages are supported, use pgtable_has_pmd_leaves() instead. Reviewed-by: Lance Yang Reviewed-by: Zi Yan Signed-off-by: Luiz Capitulino --- mm/debug_vm_pgtable.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index 23dc3ee09561..bd53417dde2f 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -177,7 +177,7 @@ static void __init pmd_basic_tests(struct pgtable_debug_args *args, int idx) unsigned long val = idx, *ptr = &val; pmd_t pmd; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD basic (%pGv)\n", ptr); @@ -222,7 +222,7 @@ static void __init pmd_advanced_tests(struct pgtable_debug_args *args) pmd_t pmd; unsigned long vaddr = args->vaddr; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; page = (args->pmd_pfn != ULONG_MAX) ? pfn_to_page(args->pmd_pfn) : NULL; @@ -283,7 +283,7 @@ static void __init pmd_leaf_tests(struct pgtable_debug_args *args) { pmd_t pmd; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD leaf\n"); @@ -688,7 +688,7 @@ static void __init pmd_protnone_tests(struct pgtable_debug_args *args) if (!IS_ENABLED(CONFIG_NUMA_BALANCING)) return; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD protnone\n"); @@ -737,7 +737,7 @@ static void __init pmd_soft_dirty_tests(struct pgtable_debug_args *args) if (!pgtable_supports_soft_dirty()) return; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD soft dirty\n"); @@ -754,7 +754,7 @@ static void __init pmd_leaf_soft_dirty_tests(struct pgtable_debug_args *args) !IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION)) return; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD swap soft dirty\n"); @@ -825,7 +825,7 @@ static void __init pmd_softleaf_tests(struct pgtable_debug_args *args) swp_entry_t arch_entry; pmd_t pmd1, pmd2; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD swap\n"); @@ -906,7 +906,7 @@ static void __init pmd_thp_tests(struct pgtable_debug_args *args) { pmd_t pmd; - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; pr_debug("Validating PMD based THP\n"); @@ -997,7 +997,7 @@ static void __init destroy_args(struct pgtable_debug_args *args) } if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && - has_transparent_hugepage() && + pgtable_has_pmd_leaves() && args->pmd_pfn != ULONG_MAX) { debug_vm_pgtable_free_huge_page(args, args->pmd_pfn, HPAGE_PMD_ORDER); args->pmd_pfn = ULONG_MAX; @@ -1249,7 +1249,7 @@ static int __init init_args(struct pgtable_debug_args *args) } if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && - has_transparent_hugepage()) { + pgtable_has_pmd_leaves()) { page = debug_vm_pgtable_alloc_huge_page(args, HPAGE_PMD_ORDER); if (page) { args->pmd_pfn = page_to_pfn(page); -- 2.53.0