The patch titled
Subject: khugepaged: remove meaningless !pte_present() check in khugepaged_scan_pmd()
has been removed from the -mm tree. Its filename was
khugepaged-remove-meaningless-pte_present-check-in-khugepaged_scan_pmd.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: khugepaged: remove meaningless !pte_present() check in khugepaged_scan_pmd()
We know it must meet the !is_swap_pte() and !pte_none() condition if we
reach here. Since !is_swap_pte() indicates pte_none() or pte_present()
is met, it's guaranteed that pte must be present here.
Link: https://lkml.kernel.org/r/20210325135647.64106-4-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/khugepaged.c | 4 ----
1 file changed, 4 deletions(-)
--- a/mm/khugepaged.c~khugepaged-remove-meaningless-pte_present-check-in-khugepaged_scan_pmd
+++ a/mm/khugepaged.c
@@ -1271,10 +1271,6 @@ static int khugepaged_scan_pmd(struct mm
goto out_unmap;
}
}
- if (!pte_present(pteval)) {
- result = SCAN_PTE_NON_PRESENT;
- goto out_unmap;
- }
if (pte_uffd_wp(pteval)) {
/*
* Don't collapse the page if any of the small
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
