The patch titled
Subject: mm: unmap VM_HUGETLB mappings with optimized path
has been removed from the -mm tree. Its filename was
mm-unmap-vm_hugetlb-mappings-with-optimized-path.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Subject: mm: unmap VM_HUGETLB mappings with optimized path
When unmapping VM_HUGETLB mappings, vm flags need to be updated. Since
the vmas have been detached, so it sounds safe to update vm flags with
read mmap_sem.
Link: http://lkml.kernel.org/r/1537376621-51150-3-git-send-email-yang.shi@xxxxxxxxxxxxxxxxx
Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Reviewed-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/mmap.c~mm-unmap-vm_hugetlb-mappings-with-optimized-path
+++ a/mm/mmap.c
@@ -2777,7 +2777,7 @@ static int __do_munmap(struct mm_struct
* update vm_flags.
*/
if (downgrade &&
- (tmp->vm_flags & (VM_HUGETLB | VM_PFNMAP)))
+ (tmp->vm_flags & VM_PFNMAP))
downgrade = false;
tmp = tmp->vm_next;
_
Patches currently in -mm which might be from yang.shi@xxxxxxxxxxxxxxxxx are
