[lkml]   [2020]   [Oct]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] mm: optionally disable brk()
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.


David / dhildenb

 \ /
  Last update: 2020-10-02 19:53    [W:0.091 / U:2.604 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site