diff options
| -rw-r--r-- | mm/mmap.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 669499e7c2f5..3354fdd83d4b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -245,10 +245,16 @@ asmlinkage unsigned long sys_brk(unsigned long brk) unsigned long rlim, retval; unsigned long newbrk, oldbrk; struct mm_struct *mm = current->mm; + unsigned long min_brk; down_write(&mm->mmap_sem); - if (brk < mm->start_brk) +#ifdef CONFIG_COMPAT_BRK + min_brk = mm->end_code; +#else + min_brk = mm->start_brk; +#endif + if (brk < min_brk) goto out; /* |