Commit a58c26bb authored by Jiri Slaby's avatar Jiri Slaby Committed by Martin Schwidefsky
Browse files

[S390] use helpers for rlimits

Make sure compiler won't do weird things with limits. E.g. fetching
them twice may return 2 different values after writable limits are

I.e. either use rlimit helpers added in

or ACCESS_ONCE if not applicable.

Cc: Heiko Carstens <>
Signed-off-by: default avatarJiri Slaby <>
Signed-off-by: default avatarMartin Schwidefsky <>
parent 16e1a577
......@@ -40,7 +40,7 @@
static inline unsigned long mmap_base(void)
unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
unsigned long gap = rlimit(RLIMIT_STACK);
if (gap < MIN_GAP)
gap = MIN_GAP;
......@@ -61,7 +61,7 @@ static inline int mmap_is_legacy(void)
return sysctl_legacy_va_layout ||
(current->personality & ADDR_COMPAT_LAYOUT) ||
current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY;
#ifndef CONFIG_64BIT
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