diff options
| author | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2016-11-08 21:43:25 +0000 |
|---|---|---|
| committer | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2016-11-08 21:43:25 +0000 |
| commit | 56f28c51400b8ca21246c20b65758271276f8623 (patch) | |
| tree | fe6581379b6ca1fc7d31c5d4a34a5647a4c9f2b2 /sys/dev/pv/hyperv.c | |
| parent | 1f7bd24d8db36bb514b683bbc7e94f7623675f70 (diff) | |
Reserve extra space for the bufring header structure
Diffstat (limited to 'sys/dev/pv/hyperv.c')
| -rw-r--r-- | sys/dev/pv/hyperv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/pv/hyperv.c b/sys/dev/pv/hyperv.c index 1ced9f893e1..70b4c503297 100644 --- a/sys/dev/pv/hyperv.c +++ b/sys/dev/pv/hyperv.c @@ -1074,7 +1074,7 @@ hv_channel_ring_create(struct hv_channel *ch, uint32_t buflen) { struct hv_softc *sc = ch->ch_sc; - buflen = roundup(buflen, PAGE_SIZE); + buflen = roundup(buflen, PAGE_SIZE) + sizeof(struct vmbus_bufring); ch->ch_ring = km_alloc(2 * buflen, &kv_any, &kp_zero, cold ? &kd_nowait : &kd_waitok); if (ch->ch_ring == NULL) { |