Commit e143fa93 authored Mar 13, 2015 by Martin Schwidefsky

s390/mm: limit STACK_RND_MASK for compat tasks



For compat tasks the mmap randomization does not use the maximum
randomization value from mmap_rnd_mask but the fixed value of 0x7ff.
This needs to be respected in the definition of STACK_RND_MASK as
well.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 20e76ee1

arch/s390/include/asm/elf.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -211,7 +211,7 @@ do { \

		extern unsigned long mmap_rnd_mask;

		#define STACK_RND_MASK (mmap_rnd_mask)
		#define STACK_RND_MASK (test_thread_flag(TIF_31BIT) ? 0x7ff : mmap_rnd_mask)

		#define ARCH_DLINFO \
		do { \