arch_limits.h

来自「xen虚拟机源代码安装包」· C头文件 代码 · 共 21 行

#ifndef __ARCH_LIMITS_H__
#define __ARCH_LIMITS_H__

#define __PAGE_SHIFT      12

#ifdef __ASSEMBLY__
#define __PAGE_SIZE       (1 << __PAGE_SHIFT)
#else
#ifdef __x86_64__
#define __PAGE_SIZE       (1UL << __PAGE_SHIFT)
#else
#define __PAGE_SIZE       (1ULL << __PAGE_SHIFT)
#endif
#endif

#define __STACK_SIZE_PAGE_ORDER  4
#define __STACK_SIZE             (__PAGE_SIZE * (1 << __STACK_SIZE_PAGE_ORDER))
          
#endif /* __ARCH_LIMITS_H__ */