linux-kernel - Re: slab.h debugging tags....

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Date:	Sat, 10 Oct 2015 14:34:31 -0400
From:	Valdis.Kletnieks@...edu
To:	Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:	Christoph Lameter <cl@...ux.com>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: slab.h debugging tags....

On Fri, 09 Oct 2015 21:40:33 +0200, Rasmus Villemoes said:

> Does this fix it for you?
>
> Subject: [PATCH] slab.h: hide assume_aligned attribute from sparse
>
> sparse apparently pretends to be gcc >= 4.9, yet isn't prepared to

Much better - it threw messages on a few files, it took me a moment to figure
out what happened.

  CHECK   init/do_mounts_initrd.c
init/do_mounts_initrd.c:8:2: warning: "Sparse checking disabled for this file"
include/linux/slab.h:307:43: error: attribute '__assume_aligned__': unknown attribute
include/linux/slab.h:308:58: error: attribute '__assume_aligned__': unknown attribute
include/linux/slab.h:337:73: error: attribute '__assume_aligned__': unknown attribute
include/linux/slab.h:375:74: error: attribute '__assume_aligned__': unknown attribute
include/linux/slab.h:378:80: error: attribute '__assume_aligned__': unknown attribute

but there's only like a few that disable sparse. Everything else behaves now.

Feel free to stick this on it:

Tested-By: Valdis Kletnieks <valdis.kletnieks@...edu>

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