The patch titled
Subject: remap_file_pages: Use vma_lookup() instead of find_vma()
has been added to the -mm tree. Its filename is
remap_file_pages-use-vma_lookup-instead-of-find_vma.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/remap_file_pages-use-vma_lookup-instead-of-find_vma.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/remap_file_pages-use-vma_lookup-instead-of-find_vma.patch
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------------------------------------------------------
From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
Subject: remap_file_pages: Use vma_lookup() instead of find_vma()
Using vma_lookup() verifies the start address is contained in the found vma.
This results in easier to read code.
Link: https://lkml.kernel.org/r/20210817135234.1550204-1-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/mm/mmap.c~remap_file_pages-use-vma_lookup-instead-of-find_vma
+++ a/mm/mmap.c
@@ -2994,14 +2994,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsign
if (mmap_write_lock_killable(mm))
return -EINTR;
- vma = find_vma(mm, start);
+ vma = vma_lookup(mm, start);
if (!vma || !(vma->vm_flags & VM_SHARED))
goto out;
- if (start < vma->vm_start)
- goto out;
-
if (start + size > vma->vm_end) {
struct vm_area_struct *next;
_
Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are
remap_file_pages-use-vma_lookup-instead-of-find_vma.patch
