Re: Regression: Requiring CAP_SYS_ADMIN for /proc/<pid>/pagemap causes application-level breakage
From: Linus Torvalds
Date: Wed Apr 29 2015 - 17:02:10 EST
On Wed, Apr 29, 2015 at 1:44 PM, Konstantin Khlebnikov <koct9i@xxxxxxxxx> wrote:
> This's no longer true. After recent fixes for "anon_vma endless growing" new vma
> might reuse old anon_vma from grandparent vma.
Oh well. I guess that was too simple.
If Mark is ok with the rule that "it's not reliably if you have two
nested forks" (ie it only works if you exec for every fork you do), it
should still work, right? It sounds like Mark doesn't necessarily need
to handle the *generic* case.
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