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Commit 9e78a13b authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 9046e401

arch/s390/mm/mmap.c

+2 −2
Original line number Diff line number Diff line
@@ -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)