From: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
To: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Alexey Dobriyan
<adobriyan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 1/1] cr: define CHECKPOINT_SUBTREE flag and sysctl
Date: Thu, 30 Apr 2009 11:40:14 -0400 [thread overview]
Message-ID: <49F9C65E.8050508@cs.columbia.edu> (raw)
In-Reply-To: <20090430152615.GC19684-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Serge E. Hallyn wrote:
> Quoting Oren Laadan (orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org):
>> Hmmm... IIUC from the text above then:
>>
>> ptr = mmap(NULL, size, MMAP_EXEC | ... )
>> memcpy(ptr, src, size);
>> mremap(src, size, size, MREMAP_FIXED | ..., ptr);
>
> What is src and size?
src is the address of a code section that you want to remap into anonymous
memory (to "release" the executable). size is its size. there may be more
than one section, of course.
>
> Hmm, I guess you can get that from /proc/self/maps.
>
> Cool.
:)
Oren.
next prev parent reply other threads:[~2009-04-30 15:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-24 21:06 [PATCH 1/1] cr: define CHECKPOINT_SUBTREE flag and sysctl Serge E. Hallyn
[not found] ` <20090424210608.GA16973-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-04-25 0:07 ` Nathan Lynch
[not found] ` <m3vdotk34g.fsf-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2009-04-25 2:45 ` Serge E. Hallyn
[not found] ` <20090425024515.GA4534-A9i7LUbDfNHQT0dZR+AlfA@public.gmane.org>
2009-04-25 2:51 ` Serge E. Hallyn
[not found] ` <20090425025154.GA4596-A9i7LUbDfNHQT0dZR+AlfA@public.gmane.org>
2009-04-27 4:37 ` Serge E. Hallyn
2009-04-27 17:14 ` Nathan Lynch
[not found] ` <m3y6tmt3wb.fsf-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2009-04-27 18:07 ` Serge E. Hallyn
[not found] ` <20090427180717.GA28476-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-04-27 18:37 ` Nathan Lynch
2009-04-27 19:09 ` Alexey Dobriyan
[not found] ` <20090427190947.GA14148-2ev+ksY9ol182hYKe6nXyg@public.gmane.org>
2009-04-27 19:30 ` Serge E. Hallyn
2009-04-27 20:11 ` Oren Laadan
[not found] ` <49F61181.9010809-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-04-27 20:38 ` Serge E. Hallyn
[not found] ` <20090427203858.GA32290-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-04-27 22:13 ` Oren Laadan
2009-04-25 8:39 ` Matt Helsley
[not found] ` <20090425083908.GA2767-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-04-30 14:57 ` Serge E. Hallyn
[not found] ` <20090430145735.GA19684-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-04-30 15:14 ` Oren Laadan
[not found] ` <49F9C044.8040907-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-04-30 15:26 ` Serge E. Hallyn
[not found] ` <20090430152615.GC19684-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-04-30 15:40 ` Oren Laadan [this message]
2009-04-27 20:12 ` Oren Laadan
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