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List:       fedora-devel-list
Subject:    Re: Enable EarlyOOM on Fedora KDE - Fedora 33 Self-Contained Change proposal
From:       "Alexey A." <hakavlad () gmail ! com>
Date:       2020-09-14 12:18:58
Message-ID: CADrZ5ZWvE5udS8+NLFbrTXUuZ-FNN4Fqd+jBmw91_FC5zPyedQ () mail ! gmail ! com
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> memory is executable code, but it behaves like
> other process memory such as the heap or the stack

Seems like it is not a problem: with GNOME effect is the same as with other
environments.

=D0=BF=D0=BD, 14 =D1=81=D0=B5=D0=BD=D1=82. 2020 =D0=B3. =D0=B2 21:14, Benja=
min Berg <bberg@redhat.com>:

> On Mon, 2020-09-14 at 20:35 +0900, Alexey A. wrote:
> >
> > > may be different for GNOME with JIT'ed code
> > > potentially getting swapped out
> >
> > How to recognize JIT'ed code? Do you mean that we shouldn't lock it?
>
> I don't think you can protect it using your tool, as it lives in
> anonymous mappings. If it is reclaimed it will be written to swap.
>
> Said differently, that memory is executable code, but it behaves like
> other process memory such as the heap or the stack.
>
> Benjamin
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[Attachment #5 (text/html)]

<div dir="ltr"><div>&gt; memory is executable code, but it behaves like<br>
&gt; other process memory such as the heap or the \
stack</div><div><br></div><div>Seems like it is not a problem: with GNOME effect is \
the same as with other environments. <br></div></div><br><div \
class="gmail_quote"><div dir="ltr" class="gmail_attr">пн, 14 сент. 2020 г. в \
21:14, Benjamin Berg &lt;<a \
href="mailto:bberg@redhat.com">bberg@redhat.com</a>&gt;:<br></div><blockquote \
class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex">On Mon, 2020-09-14 at 20:35 +0900, Alexey A. \
wrote:<br> &gt; <br>
&gt; &gt; may be different for GNOME with JIT&#39;ed code<br>
&gt; &gt; potentially getting swapped out<br>
&gt; <br>
&gt; How to recognize JIT&#39;ed code? Do you mean that we shouldn&#39;t lock it?<br>
<br>
I don&#39;t think you can protect it using your tool, as it lives in<br>
anonymous mappings. If it is reclaimed it will be written to swap.<br>
<br>
Said differently, that memory is executable code, but it behaves like<br>
other process memory such as the heap or the stack.<br>
<br>
Benjamin<br>
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 </blockquote></div>


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