STACK_RND_MASK    539 fs/binfmt_elf.c #define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12))	/* 8MB of VA */
STACK_RND_MASK    302 include/asm-x86/elf.h #define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)