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authorJason Gunthorpe <jgg@nvidia.com>2022-12-09 15:52:17 -0400
committerJason Gunthorpe <jgg@nvidia.com>2022-12-09 15:52:17 -0400
commitd69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a (patch)
tree4d714ecd331233069ab718989bb017dfd934e129 /fs/userfaultfd.c
parent6cfe7bd0dfd33033683639039b5608d6534c19eb (diff)
parent76dcd734eca23168cb008912c0f69ff408905235 (diff)
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Merge tag 'v6.1-rc8' into rdma.git for-next
For dependencies in following patches Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'fs/userfaultfd.c')
-rw-r--r--fs/userfaultfd.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 07c81ab3fd4d..98ac37e34e3d 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1630,17 +1630,20 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
NULL_VM_UFFD_CTX, anon_vma_name(vma));
if (prev) {
vma = prev;
+ mas_pause(&mas);
goto next;
}
if (vma->vm_start < start) {
ret = split_vma(mm, vma, start, 1);
if (ret)
break;
+ mas_pause(&mas);
}
if (vma->vm_end > end) {
ret = split_vma(mm, vma, end, 0);
if (ret)
break;
+ mas_pause(&mas);
}
next:
/*