The patch titled
Subject: mm/ksm: use vma_lookup() in find_mergeable_vma()
has been removed from the -mm tree. Its filename was
mm-ksm-use-vma_lookup-in-find_mergeable_vma.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Liam Howlett <liam.howlett@xxxxxxxxxx>
Subject: mm/ksm: use vma_lookup() in find_mergeable_vma()
Use vma_lookup() to find the VMA at a specific address. As vma_lookup()
will return NULL if the address is not within any VMA, the start address
no longer needs to be validated.
Link: https://lkml.kernel.org/r/20210521174745.2219620-19-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Reviewed-by: Laurent Dufour <ldufour@xxxxxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Davidlohr Bueso <dbueso@xxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/ksm.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/mm/ksm.c~mm-ksm-use-vma_lookup-in-find_mergeable_vma
+++ a/mm/ksm.c
@@ -521,10 +521,8 @@ static struct vm_area_struct *find_merge
struct vm_area_struct *vma;
if (ksm_test_exit(mm))
return NULL;
- vma = find_vma(mm, addr);
- if (!vma || vma->vm_start > addr)
- return NULL;
- if (!(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma)
+ vma = vma_lookup(mm, addr);
+ if (!vma || !(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma)
return NULL;
return vma;
}
_
Patches currently in -mm which might be from liam.howlett@xxxxxxxxxx are
