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mm/huge_memory: fix comment in zap_huge_pud

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The comment about deposited pgtable is borrowed from zap_huge_pmd but
there's no deposited pgtable stuff for huge pud in zap_huge_pud. Remove
it to avoid confusion.

Link: https://lkml.kernel.org/r/20220704132201.14611-10-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-07-04 21:21:54 +08:00 committed by akpm
parent 37139bb02c
commit 749290799e
1 changed files with 1 additions and 6 deletions
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7
mm/huge_memory.c
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@ -1913,12 +1913,7 @@ int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma,
ptl = __pud_trans_huge_lock(pud, vma);
if (!ptl)
return 0;
/*
* For architectures like ppc64 we look at deposited pgtable
* when calling pudp_huge_get_and_clear. So do the
* pgtable_trans_huge_withdraw after finishing pudp related
* operations.
*/
pudp_huge_get_and_clear_full(tlb->mm, addr, pud, tlb->fullmm);
tlb_remove_pud_tlb_entry(tlb, pud, addr);
if (vma_is_special_huge(vma)) {