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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-07-04 21:21:54 +0800 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-07-17 17:14:45 -0700 |
| commit | 749290799e72f05f7311ec8e85a47664dd7be37e (patch) | |
| tree | 3dc841c8419dd1643449b866bbba16f662dc3b9f | |
| parent | 37139bb02c35bedb0c82bd21e7d1e695f5485465 (diff) | |
| download | linux-749290799e72f05f7311ec8e85a47664dd7be37e.tar.bz2 | |
mm/huge_memory: fix comment in zap_huge_pud
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>
| -rw-r--r-- | mm/huge_memory.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 253ab79e8d9b..266afca39058 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -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)) { |