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s390/mm: limit STACK_RND_MASK for compat tasks

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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>
This commit is contained in:
Martin Schwidefsky 2015-03-13 11:19:09 +01:00
parent 20e76ee184
commit e143fa93c2
1 changed files with 1 additions and 1 deletions
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2
arch/s390/include/asm/elf.h
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@ -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 { \