lkml.org 
[lkml]   [2022]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 09/10] hugetlb: remove meaningless BUG_ON(huge_pte_none())
Date
When code reaches here, invalid page would have been accessed if huge pte
is none. So this BUG_ON(huge_pte_none()) is meaningless. Remove it.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/hugetlb.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b432a00061e3..0ef26dbdc7f8 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5374,7 +5374,6 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma,
u32 hash;

put_page(old_page);
- BUG_ON(huge_pte_none(pte));
/*
* Drop hugetlb_fault_mutex and vma_lock before
* unmapping. unmapping needs to hold vma_lock
--
2.23.0
\
 
 \ /
  Last update: 2022-08-26 11:26    [W:0.154 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site