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mm: remove call to hugetlb_free_pgd_range()

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With the removal of the last arch-specific implementation of
hugetlb_free_pgd_range(), hugetlb VMAs no longer need special handling
when freeing page tables.

Link: https://lkml.kernel.org/r/20250716012611.10369-3-anthony.yznaga@oracle.com
Signed-off-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Oscar Salvador <osalvador@suse.de>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Anthony Yznaga
2025-07-15 18:26:10 -07:00
committed by Andrew Morton
parent d0813985a2
commit 1c7bf6c545
1 changed files with 18 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
mm/memory.c
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@@ -379,32 +379,26 @@ void free_pgtables(struct mmu_gather *tlb, struct ma_state *mas,
vma_start_write(vma); vma_start_write(vma);
unlink_anon_vmas(vma); unlink_anon_vmas(vma);
if (is_vm_hugetlb_page(vma)) { unlink_file_vma_batch_init(&vb);
unlink_file_vma(vma); unlink_file_vma_batch_add(&vb, vma);
hugetlb_free_pgd_range(tlb, addr, vma->vm_end,
floor, next ? next->vm_start : ceiling);
} else {
unlink_file_vma_batch_init(&vb);
unlink_file_vma_batch_add(&vb, vma);
/* /*
* Optimization: gather nearby vmas into one call down * Optimization: gather nearby vmas into one call down
*/ */
while (next && next->vm_start <= vma->vm_end + PMD_SIZE while (next && next->vm_start <= vma->vm_end + PMD_SIZE) {
&& !is_vm_hugetlb_page(next)) { vma = next;
vma = next; next = mas_find(mas, ceiling - 1);
next = mas_find(mas, ceiling - 1); if (unlikely(xa_is_zero(next)))
if (unlikely(xa_is_zero(next))) next = NULL;
next = NULL; if (mm_wr_locked)
if (mm_wr_locked) vma_start_write(vma);
vma_start_write(vma); unlink_anon_vmas(vma);
unlink_anon_vmas(vma); unlink_file_vma_batch_add(&vb, vma);
unlink_file_vma_batch_add(&vb, vma);
}
unlink_file_vma_batch_final(&vb);
free_pgd_range(tlb, addr, vma->vm_end,
floor, next ? next->vm_start : ceiling);
} }
unlink_file_vma_batch_final(&vb);
free_pgd_range(tlb, addr, vma->vm_end,
floor, next ? next->vm_start : ceiling);
vma = next; vma = next;
} while (vma); } while (vma);
} }