diff options
Diffstat (limited to 'net/xdp/xsk.c')
| -rw-r--r-- | net/xdp/xsk.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index a245c1b4a21b..63c82e8bcd8e 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -1294,8 +1294,6 @@ static int xsk_mmap(struct file *file, struct socket *sock, unsigned long size = vma->vm_end - vma->vm_start; struct xdp_sock *xs = xdp_sk(sock->sk); struct xsk_queue *q = NULL; - unsigned long pfn; - struct page *qpg; if (READ_ONCE(xs->state) != XSK_READY) return -EBUSY; @@ -1318,13 +1316,10 @@ static int xsk_mmap(struct file *file, struct socket *sock, /* Matches the smp_wmb() in xsk_init_queue */ smp_rmb(); - qpg = virt_to_head_page(q->ring); - if (size > page_size(qpg)) + if (size > q->ring_vmalloc_size) return -EINVAL; - pfn = virt_to_phys(q->ring) >> PAGE_SHIFT; - return remap_pfn_range(vma, vma->vm_start, pfn, - size, vma->vm_page_prot); + return remap_vmalloc_range(vma, q->ring, 0); } static int xsk_notifier(struct notifier_block *this, |