On Thu, Mar 2, 2017 at 1:46 AM, Dmitry V. Levin <ldv@xxxxxxxxxxxx> wrote: > Replace size_t with __kernel_size_t to fix asm/shmbuf.h userspace > compilation errors like this: > > /usr/include/asm-generic/shmbuf.h:28:2: error: unknown type name 'size_t' > size_t shm_segsz; /* size of segment (bytes) */ > > x32 is the only architecture where sizeof(size_t) is less than > sizeof(__kernel_size_t), but as the kernel treats shm_segsz field as > __kernel_size_t anyway, UAPI should follow. Thanks to little-endiannes > of x32 and 64-bit alignment of the field following shm_segsz, this > change doesn't break ABI, and the difference doesn't manifest itself > easily. > > Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>