linux-kernel - Re: [PATCH 0/2] Ajust lockdep static allocations

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Message-ID: <20160923150439.GD5012@twins.programming.kicks-ass.net>
Date:   Fri, 23 Sep 2016 17:04:39 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Babu Moger <babu.moger@...cle.com>
Cc:     mingo@...hat.com, akpm@...ux-foundation.org, keescook@...omium.org,
        dan.j.williams@...el.com, aryabinin@...tuozzo.com, tj@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Ajust lockdep static allocations

On Fri, Sep 23, 2016 at 09:50:52AM -0500, Babu Moger wrote:
> >Why can't you boot? You have that little memories? 4MB doesn't seem like
> >a worthwhile amount of memory.
> >
> >Also, you didn't say.  This seems a somewhat crucial point.
> 
>     Correct, We can't boot with lockdep. Sorry I did not make that clear.
> We have a limit on static size of the kernel.

This stuff should be in .bss not .data. It should not affect the static
size at all. Or am I misunderstanding things?