#include <linux/errno.h>
#include <linux/thread_info.h>
#include <asm/page.h>
+#include <asm/setup.h>
#define VERIFY_READ 0
#define VERIFY_WRITE 1
* This needs 33-bit arithmetic. We have a carry...
*/
#define __range_ok(addr,size) ({ \
- unsigned long flag, sum; \
+ unsigned long flag, roksum; \
__chk_user_ptr(addr); \
asm ( \
" cmpu %1, %1 ; clear cbit\n" \
" subx %0, %0\n" \
" cmpu %4, %1\n" \
" subx %0, %5\n" \
- : "=&r" (flag), "=r" (sum) \
+ : "=&r" (flag), "=r" (roksum) \
: "1" (addr), "r" ((int)(size)), \
"r" (current_thread_info()->addr_limit.seg), "r" (0) \
: "cbit" ); \
#else
static inline int access_ok(int type, const void *addr, unsigned long size)
{
- extern unsigned long memory_start, memory_end;
unsigned long val = (unsigned long)addr;
return ((val >= memory_start) && ((val + size) < memory_end));