Re: [PATCH 1/2] mm/madvise: allow process_madvise operations on entire memory range

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On Tue, Dec 22, 2020 at 09:48:43AM -0800, Suren Baghdasaryan wrote:
> Thanks for the feedback! The use case is userspace memory reaping
> similar to oom-reaper. Detailed justification is here:
> https://lore.kernel.org/linux-mm/20201124053943.1684874-1-surenb@xxxxxxxxxx

Given that this new variant of process_madvise

  a) does not work on an address range
  b) is destructive
  c) doesn't share much code at all with the rest of process_madvise

Why not add a proper separate syscall?




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