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x86/mm: use pagetable_free()

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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.

Link: https://lkml.kernel.org/r/20251022082635.2462433-7-baolu.lu@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Betkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robin Murohy <robin.murphy@arm.com>
Cc: Thomas Gleinxer <tglx@linutronix.de>
Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Cc: Vasant Hegde <vasant.hegde@amd.com>
Cc: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Cc: Yi Lai <yi1.lai@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Lu Baolu
2025-10-22 16:26:32 +08:00
committed by Andrew Morton
parent 0189429567
commit bf9e4e30f3
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/mm/init_64.c
View File

@@ -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));
}
}

2
arch/x86/mm/pat/set_memory.c
View File

@@ -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);
}
}