a2b3afb2f7
in our vendor driver, we need the following three kernel variables: include/linuc/mm.h: extern unsigned long stack_guard_gap; extern int sysctl_legacy_va_layout; include/linux/security.h: extern unsigned long mmap_min_addr; Bug: 191439466 Signed-off-by: xieliujie <xieliujie@oppo.com> Change-Id: I9d1759d8157ddd214475742e417dfb9e870d4b2e