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path: root/net/xdp/xdp_umem.c
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Diffstat (limited to 'net/xdp/xdp_umem.c')
-rw-r--r--net/xdp/xdp_umem.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index d4de871e7d4d..597866e7c441 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -259,10 +259,10 @@ static int xdp_umem_pin_pages(struct xdp_umem *umem)
if (!umem->pgs)
return -ENOMEM;
- down_write(&current->mm->mmap_sem);
- npgs = get_user_pages(umem->address, umem->npgs,
- gup_flags, &umem->pgs[0], NULL);
- up_write(&current->mm->mmap_sem);
+ down_read(&current->mm->mmap_sem);
+ npgs = get_user_pages_longterm(umem->address, umem->npgs,
+ gup_flags, &umem->pgs[0], NULL);
+ up_read(&current->mm->mmap_sem);
if (npgs != umem->npgs) {
if (npgs >= 0) {