On Thu, Oct 22, 2015 at 1:00 PM, Helge Deller <deller@xxxxxx> wrote: > Hi Tom & David, > > I've queued-up a patch for the parisc architecture which reduces L1_CACHE_BYTES from 32 to 16: > https://patchwork.kernel.org/patch/7399291/ > > But this change will break the kernel build like this: > > In file included from net/core/dev.c:92:0: > net/core/dev.c: In function ‘expand_xps_map’: > include/linux/netdevice.h:721:27: warning: overflow in implicit constant conversion [-Woverflow] > #define XPS_MIN_MAP_ALLOC ((L1_CACHE_BYTES - sizeof(struct xps_map)) \ > net/core/dev.c:1972:18: note: in expansion of macro ‘XPS_MIN_MAP_ALLOC’ > int alloc_len = XPS_MIN_MAP_ALLOC; > > Do you see an easy way to fix this ? > How about #define XPS_MIN_MAP_ALLOC ((L1_CACHE_BYTES - ((sizeof(struct xps_map) % L1_CACHE_BYTES)) \ Tom > Thanks, > Helge > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
