1. 根目录:
2. arch
3. sparc
4. include
5. asm
6. shmparam_32.h

#ifndef _ASMSPARC_SHMPARAM_H
#define _ASMSPARC_SHMPARAM_H

#define __ARCH_FORCE_SHMLBA 	1

extern int vac_cache_size;
#define SHMLBA (vac_cache_size ? vac_cache_size : PAGE_SIZE)

#endif /* _ASMSPARC_SHMPARAM_H */