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Commit 17d9822d authored by Alexandre Ghiti's avatar Alexandre Ghiti Committed by Helge Deller
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parisc: Consider stack randomization for mmap base only when necessary 



Do not offset mmap base address because of stack randomization if
current task does not want randomization.

Signed-off-by: default avatarAlexandre Ghiti <alex@ghiti.fr>
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent 37624b58

arch/parisc/kernel/sys_parisc.c

+2 −1
Original line number Diff line number Diff line
@@ -86,6 +86,7 @@ static unsigned long mmap_upper_limit(struct rlimit *rlim_stack) 
		stack_base = STACK_SIZE_MAX;



	/* Add space for stack randomization. */

	if (current->flags & PF_RANDOMIZE)

		stack_base += (STACK_RND_MASK << PAGE_SHIFT);



	return PAGE_ALIGN(STACK_TOP - stack_base);