diff --git a/ipc/shm.c b/ipc/shm.c index 7fc9f9f3a26b874c7fa558d22618273e9eb357d3..01454796ba3c59e20b4db8e71fdf7a17c74f9ad7 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -1172,13 +1172,6 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, if (find_vma_intersection(current->mm, addr, addr + size)) goto invalid; - /* - * If shm segment goes below stack, make sure there is some - * space left for the stack to grow (at least 4 pages). - */ - if (addr < current->mm->start_stack && - addr > current->mm->start_stack - size - PAGE_SIZE * 5) - goto invalid; } addr = do_mmap_pgoff(file, addr, size, prot, flags, 0, &populate);