tag	line	file	source code
__SHM_IDX_BITS	56	include/linux/shm.h	#define _SHM_IDX_BITS  (__SHM_IDX_BITS+PAGE_SHIFT>=BITS_PER_PTR?\
__SHM_IDX_BITS	57	include/linux/shm.h	BITS_PER_PTR-PAGE_SHIFT-1:__SHM_IDX_BITS)  /* sanity check */