linux-kernel - Re: [PATCH] powerpc/mm: Move page table dump into powerpc subdirectory

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Date:   Thu, 13 Apr 2017 23:20:34 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Scott Wood <oss@...error.net>,
        Rashmica Gupta <rashmicy@...il.com>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/mm: Move page table dump into powerpc subdirectory

Christophe Leroy <christophe.leroy@....fr> writes:

> Page table dump is a powerpc specific thing, so it should
> appear in powerpc/ subdirectory of debugfs

It's not powerpc specific. x86, arm, arm64 and s390 all have it.

But, I notice we somehow got the name wrong :}

All the other arches call it "kernel_page_tables".

> -	debugfs_file = debugfs_create_file("kernel_pagetables", 0400, NULL,
> -			NULL, &ptdump_fops);

¯\_(ツ)_/¯


So we probably should rename it to match the other arches. I would take
a patch for that.

cheers