linux-kernel - Re: [PATCH 1/2] fs, elf: drop MAP_FIXED usage from elf

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Message-ID: <20171017134211.GA15098@x1>
Date:   Tue, 17 Oct 2017 21:42:11 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Jiri Kosina <jkosina@...e.cz>,
        Al Viro <viro@...iv.linux.org.uk>,
        Oleg Nesterov <oleg@...hat.com>, Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH 1/2] fs, elf: drop MAP_FIXED usage from elf_map

On 10/17/17 at 03:33pm, Michal Hocko wrote:
> On Tue 17-10-17 21:22:46, Baoquan He wrote:
> [...]
> > And as I said before, then we will still have the
> > ungraceful 'mapping total'|'unmapping the rest' method.
> 
> yes I haven't touched this part and I guess you are right it can be
> removed now, but this was not my primary concern to adddress so there is
> still some room for improvements on top. If you want to refactor that
> part, then feel free to do so but I think that we should address the
> MAP_FIXED part first.

OK, I am fine. Then let's focus on this issue you are addressing. Sorry
for the noise. :-)

Thanks
Baoquan