SGP_READ          877 mm/shmem.c     		shmem_getpage(inode, start - 1, &page, SGP_READ);
SGP_READ          892 mm/shmem.c     		shmem_getpage(inode, end, &page, SGP_READ);
SGP_READ         1786 mm/shmem.c     		if (sgp != SGP_READ)
SGP_READ         1792 mm/shmem.c     	if (page || sgp == SGP_READ) {
SGP_READ         2536 mm/shmem.c     	enum sgp_type sgp = SGP_READ;
SGP_READ         3177 mm/shmem.c     		error = shmem_getpage(inode, 0, &page, SGP_READ);