flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
/*
- * If we are doing a fixed mapping, and address < PAGE_SIZE,
+ * If we are doing a fixed mapping, and address < FIRST_USER_ADDRESS,
* then deny it.
*/
- if (flags & MAP_FIXED && addr < PAGE_SIZE && vectors_base() == 0)
+ if (flags & MAP_FIXED && addr < FIRST_USER_ADDRESS)
goto out;
error = -EBADF;
unsigned long ret = -EINVAL;
/*
- * If we are doing a fixed mapping, and address < PAGE_SIZE,
+ * If we are doing a fixed mapping, and address < FIRST_USER_ADDRESS,
* then deny it.
*/
- if (flags & MREMAP_FIXED && new_addr < PAGE_SIZE &&
- vectors_base() == 0)
+ if (flags & MREMAP_FIXED && new_addr < FIRST_USER_ADDRESS)
goto out;
down_write(¤t->mm->mmap_sem);