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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-12 09:55:23 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-12 09:55:24 +0100 |
| commit | 9e78a13bfb1640c058fde9dabfd386b942539018 (patch) | |
| tree | 618ca8f0f90494679a33a2748683fd821eb1563b /arch/s390 | |
| parent | [S390] mmap: consider stack address randomization (diff) | |
| download | linux-9e78a13bfb1640c058fde9dabfd386b942539018.tar.xz linux-9e78a13bfb1640c058fde9dabfd386b942539018.zip | |
[S390] reduce miminum gap between stack and mmap_base
Reduce minimum gap between stack and mmap_base to 32MB. That way there
is a bit more space for heap and mmap for tight 31 bit address spaces.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/mm/mmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 5578740ab9c9..89eff9e7b0b5 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -42,9 +42,9 @@ static unsigned long stack_maxrandom_size(void) /* * Top of mmap area (just below the process stack). * - * Leave an at least ~128 MB hole. + * Leave at least a ~32 MB hole. */ -#define MIN_GAP (128*1024*1024) +#define MIN_GAP (32*1024*1024) #define MAX_GAP (STACK_TOP/6*5) static inline unsigned long mmap_base(void) |