Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in the stack

From	Willy Tarreau <w@1wt.eu>
Newsgroups	linux.kernel
Subject	Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in the stack
Date	2017-07-05 21:20 +0200
Message-ID	<tZY09-21z-3@gated-at.bofh.it> (permalink)
References	(1 earlier) <tZWB4-Ve-19@gated-at.bofh.it> <tZXdM-1mP-15@gated-at.bofh.it> <tZXnr-1rU-5@gated-at.bofh.it> <tZXGN-1Dt-1@gated-at.bofh.it> <tZY09-21z-1@gated-at.bofh.it>
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On Wed, Jul 05, 2017 at 12:15:05PM -0700, Linus Torvalds wrote:
> On Wed, Jul 5, 2017 at 11:53 AM, Michal Hocko <mhocko@kernel.org> wrote:
> >
> > That would lead to conflicts when backporting to stable trees though
> > which is quite annoying as well and arguably slightly more annoying than
> > resolving this in mmotm. I can help to rebase Oleg's patch on top of
> > mine which is not a stable material.
> 
> Ok, fair enough - I was actually expecting that Oleg's patch would
> just be marked for stable too just to keep differences minimal.
> 
> But yes, putting your patch in first and then Oleg's on top means that
> it works regardless.
> 
> Any opinions from others?

No pb here, and this one is reasonably easy to backport anyway as the
test is easy to locate.

Willy

Thread

[PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in the stack Michal Hocko <mhocko@kernel.org> - 2017-07-05 19:00 +0200
  Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in  the stack Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-05 19:50 +0200
    Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes  in the stack Michal Hocko <mhocko@kernel.org> - 2017-07-05 20:30 +0200
      Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in  the stack Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-05 20:40 +0200
        Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes  in the stack Michal Hocko <mhocko@kernel.org> - 2017-07-05 21:00 +0200
          Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in  the stack Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-05 21:20 +0200
            Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes  in the stack Willy Tarreau <w@1wt.eu> - 2017-07-05 21:20 +0200
          Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes  in the stack Michal Hocko <mhocko@kernel.org> - 2017-07-05 21:20 +0200
      Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes  in the stack Andrew Morton <akpm@linux-foundation.org> - 2017-07-05 23:20 +0200
        Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes in  the stack Linus Torvalds <torvalds@linux-foundation.org> - 2017-07-05 23:50 +0200
        Re: [PATCH] mm: mm, mmap: do not blow on PROT_NONE MAP_FIXED holes  in the stack Michal Hocko <mhocko@kernel.org> - 2017-07-06 08:50 +0200

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