Re: [PATCH] mm: optionally disable brk()
From: David Hildenbrand
Date: Fri Oct 02 2020 - 13:52:28 EST
On 02.10.20 19:19, Topi Miettinen wrote:
> The brk() system call allows to change data segment size (heap). This
> is mainly used by glibc for memory allocation, but it can use mmap()
> and that results in more randomized memory mappings since the heap is
> always located at fixed offset to program while mmap()ed memory is
> randomized.
Want to take more Unix out of Linux?
Honestly, why care about disabling? User space can happily use mmap() if
it prefers.
--
Thanks,
David / dhildenb