down_write(&mm->mmap_sem);
#ifdef CONFIG_COMPAT_BRK
- min_brk = mm->end_code;
+ /*
+ * CONFIG_COMPAT_BRK can still be overridden by setting
+ * randomize_va_space to 2, which will still cause mm->start_brk
+ * to be arbitrarily shifted
+ */
+ if (mm->start_brk > PAGE_ALIGN(mm->end_data))
+ min_brk = mm->start_brk;
+ else
+ min_brk = mm->end_data;
#else
min_brk = mm->start_brk;
#endif