From 9e78a13bfb1640c058fde9dabfd386b942539018 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 12 Jan 2011 09:55:23 +0100 Subject: [PATCH] [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 Signed-off-by: Martin Schwidefsky --- arch/s390/mm/mmap.c | 4 ++-- 1 file 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) -- 2.39.5