diff options
Diffstat (limited to 'nptl/allocatestack.c')
| -rw-r--r-- | nptl/allocatestack.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index 94d05b2721..b0d7ea641a 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -52,6 +52,11 @@ #endif +/* Let the architecture add some flags to the mmap() call used to + allocate stacks. */ +#ifndef ARCH_MAP_FLAGS +# define ARCH_MAP_FLAGS 0 +#endif /* Cache handling for not-yet free stacks. */ @@ -303,6 +308,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, size_t reqsize; void *mem; +#undef COLORING_INCREMENT #if COLORING_INCREMENT != 0 /* Add one more page for stack coloring. Don't to it for stacks with 16 times pagesize or larger. This might just cause @@ -330,7 +336,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, if (pd == NULL) { mem = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + MAP_PRIVATE | MAP_ANONYMOUS | ARCH_MAP_FLAGS, -1, 0); if (__builtin_expect (mem == MAP_FAILED, 0)) return errno; |