diff options
Diffstat (limited to 'include/linux/pktcdvd.h')
| -rw-r--r-- | include/linux/pktcdvd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h index 4b32bce9a28..2c177e4c8f2 100644 --- a/include/linux/pktcdvd.h +++ b/include/linux/pktcdvd.h @@ -166,6 +166,9 @@ struct packet_iosched /* * 32 buffers of 2048 bytes */ +#if (PAGE_SIZE % CD_FRAMESIZE) != 0 +#error "PAGE_SIZE must be a multiple of CD_FRAMESIZE" +#endif #define PACKET_MAX_SIZE 32 #define PAGES_PER_PACKET (PACKET_MAX_SIZE * CD_FRAMESIZE / PAGE_SIZE) #define PACKET_MAX_SECTORS (PACKET_MAX_SIZE * CD_FRAMESIZE >> 9) |