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Howlett" , Andrew Morton , Vlastimil Babka , Mike Rapoport , Michal Hocko , Matthew Wilcox , Vinicius Costa Gomes Cc: iommu@lists.linux.dev, security@kernel.org, x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v7 6/8] x86/mm: Use pagetable_free() Date: Wed, 22 Oct 2025 16:26:32 +0800 Message-ID: <20251022082635.2462433-7-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251022082635.2462433-1-baolu.lu@linux.intel.com> References: <20251022082635.2462433-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: DC55640002 X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: 8f3ti3r69yj975ng5bo3aoay9wuhf5j3 X-HE-Tag: 1761121794-963531 X-HE-Meta: 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 iEnxBcXQ 37OoGDf7ptC0IYWsotAqETgguQhoGT5Xze0RLET6Dh2ocgOYf6tLY7RqhQaPet8zKwxkiYMMGmpjkknth6z91VPnwqs2uB2jS+/0mwIzjAz9S+5941zPFv3t3xJivdQ9WE2d6VofBfGNvejckocpMgMSq2PprHMudbf+j/sDau3bJKKKTQjScJrzgffchzQQlumpMUrnWwIx500CQhV3PO9z9V+12NJjTTTUex8y2dYm3Mf8tz0aGOcvwtB6MVTDCcHdk7M1h6AeBXfG+QorXa7LltrpBiu8eNb/f X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The kernel's memory management subsystem provides a dedicated interface, pagetable_free(), for freeing page table pages. Updates two call sites to use pagetable_free() instead of the lower-level __free_page() or free_pages(). This improves code consistency and clarity, and ensures the correct freeing mechanism is used. Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe Acked-by: David Hildenbrand Acked-by: Mike Rapoport (Microsoft) --- arch/x86/mm/init_64.c | 2 +- arch/x86/mm/pat/set_memory.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 0e4270e20fad..3d9a5e4ccaa4 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1031,7 +1031,7 @@ static void __meminit free_pagetable(struct page *page, int order) free_reserved_pages(page, nr_pages); #endif } else { - __free_pages(page, order); + pagetable_free(page_ptdesc(page)); } } diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 970981893c9b..fffb6ef1997d 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -429,7 +429,7 @@ static void cpa_collapse_large_pages(struct cpa_data *cpa) list_for_each_entry_safe(ptdesc, tmp, &pgtables, pt_list) { list_del(&ptdesc->pt_list); - __free_page(ptdesc_page(ptdesc)); + pagetable_free(ptdesc); } } -- 2.43.0