Displaying 1 result from an estimated 1 matches for "pages_in_seg".
2023 Feb 16
0
[RFC PATCH v1 07/12] vsock/virtio: MGS_ZEROCOPY flag support
...ges in this iov <= MAX_SKB_FRAGS.
>+ * 4) Length of the data fits in current credit space.
>+ */
>+ for (seg_idx = 0; seg_idx < iter->nr_segs; seg_idx++) {
>+ struct page *user_pages[MAX_SKB_FRAGS];
>+ const struct iovec *iovec;
>+ size_t last_frag_len;
>+ size_t pages_in_seg;
>+ int page_idx;
>+
>+ iovec = &iter->iov[seg_idx];
>+ pages_in_seg = iovec->iov_len >> PAGE_SHIFT;
>+
>+ if (iovec->iov_len % PAGE_SIZE) {
>+ last_frag_len = iovec->iov_len % PAGE_SIZE;
>+ pages_in_seg++;
>+ } else {
>+ last_frag_len...