From: Miaohe Lin <linmiaohe@huawei.com>
To: <akpm@linux-foundation.org>
Cc: <shy828301@gmail.com>, <willy@infradead.org>,
<zokeefe@google.com>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>, <linmiaohe@huawei.com>
Subject: [PATCH 09/16] mm/huge_memory: fix comment in zap_huge_pud
Date: Thu, 23 Jun 2022 01:06:20 +0800 [thread overview]
Message-ID: <20220622170627.19786-10-linmiaohe@huawei.com> (raw)
In-Reply-To: <20220622170627.19786-1-linmiaohe@huawei.com>
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.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/huge_memory.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index b42c8fa51e46..fd12fa930937 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1914,12 +1914,7 @@ 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)) {
--
2.23.0
next prev parent reply other threads:[~2022-06-22 17:07 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-22 17:06 [PATCH 00/16] A few cleanup patches for huge_memory Miaohe Lin
2022-06-22 17:06 ` [PATCH 01/16] mm/huge_memory: use flush_pmd_tlb_range in move_huge_pmd Miaohe Lin
2022-06-23 6:30 ` Muchun Song
2022-06-24 18:32 ` Zach O'Keefe
2022-06-22 17:06 ` [PATCH 02/16] mm/huge_memory: access vm_page_prot with READ_ONCE in remove_migration_pmd Miaohe Lin
2022-06-23 3:14 ` Kirill A. Shutemov
2022-06-23 12:03 ` Miaohe Lin
2022-06-24 18:40 ` Zach O'Keefe
2022-06-25 3:17 ` Miaohe Lin
2022-06-22 17:06 ` [PATCH 03/16] mm/huge_memory: fix comment of __pud_trans_huge_lock Miaohe Lin
2022-06-23 6:32 ` Muchun Song
2022-06-24 18:47 ` Zach O'Keefe
2022-06-25 3:33 ` Miaohe Lin
2022-06-24 18:56 ` Matthew Wilcox
2022-06-25 3:32 ` Miaohe Lin
2022-06-22 17:06 ` [PATCH 04/16] mm/huge_memory: use helper touch_pud in huge_pud_set_accessed Miaohe Lin
2022-06-23 6:42 ` Muchun Song
2022-06-23 12:08 ` Miaohe Lin
2022-06-22 17:06 ` [PATCH 05/16] mm/huge_memory: use helper touch_pmd in huge_pmd_set_accessed Miaohe Lin
2022-06-23 6:43 ` Muchun Song
2022-06-22 17:06 ` [PATCH 06/16] mm/huge_memory: rename mmun_start to haddr in remove_migration_pmd Miaohe Lin
2022-06-23 6:46 ` Muchun Song
2022-06-22 17:06 ` [PATCH 07/16] mm/huge_memory: minor cleanup for split_huge_pages_pid Miaohe Lin
2022-06-23 3:22 ` Kirill A. Shutemov
2022-06-23 12:07 ` Miaohe Lin
2022-06-22 17:06 ` [PATCH 08/16] mm/huge_memory: use helper macro __ATTR_RW Miaohe Lin
2022-06-23 6:49 ` Muchun Song
2022-06-22 17:06 ` Miaohe Lin [this message]
2022-06-22 17:06 ` [PATCH 10/16] mm/huge_memory: check pmd_present first in is_huge_zero_pmd Miaohe Lin
2022-06-23 6:59 ` Muchun Song
2022-06-22 17:06 ` [PATCH 11/16] mm/huge_memory: try to free subpage in swapcache when possible Miaohe Lin
2022-06-22 17:06 ` [PATCH 12/16] mm/huge_memory: minor cleanup for split_huge_pages_all Miaohe Lin
2022-06-22 17:06 ` [PATCH 13/16] mm/huge_memory: add helper __get_deferred_split_queue Miaohe Lin
2022-06-23 7:03 ` Muchun Song
2022-06-23 12:11 ` Miaohe Lin
2022-06-22 17:06 ` [PATCH 14/16] mm/huge_memory: fix comment of page_deferred_list Miaohe Lin
2022-06-23 7:24 ` Muchun Song
2022-06-23 12:26 ` Miaohe Lin
2022-06-24 17:09 ` Zach O'Keefe
2022-06-25 3:18 ` Miaohe Lin
2022-06-22 17:06 ` [PATCH 15/16] mm/huge_memory: correct comment of prep_transhuge_page Miaohe Lin
2022-06-23 7:26 ` Muchun Song
2022-06-22 17:06 ` [PATCH 16/16] mm/huge_memory: comment the subtle logic in __split_huge_pmd Miaohe Lin
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