return __follow_page(mm, address, /*read*/0, write); 
return __follow_page(mm, address, 0, write, 1); 
follow_page(struct mm_struct *mm, unsigned long address, int write){	return __follow_page(mm, address, /*read*/0, write);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/1aaf18ff9de1f37bf674236fc0779c3aaa65b998/memory.c/clean/mm/memory.c