Messages in this thread | | | Subject | Re: [PATCH] mm: optionally disable brk() | From | David Hildenbrand <> | Date | Fri, 2 Oct 2020 19:52:19 +0200 |
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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
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