linux-kernel - Re: [PATCH] drm: Preserve SHMLBA bits in hash key for _DRM

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Date:	Fri, 20 Feb 2009 01:43:34 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	airlied@...ux.ie, benh@...nel.crashing.org,
	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm: Preserve SHMLBA bits in hash key for _DRM_SHM
 mappings.

On Fri, 20 Feb 2009 00:54:14 -0800 (PST) David Miller <davem@...emloft.net> wrote:

> From: Andrew Morton <akpm@...ux-foundation.org>
> Date: Thu, 19 Feb 2009 15:27:26 -0800
> 
> > eg:
> > 
> > arch/xtensa/include/asm/shmparam.h
> > #define SHMLBA  ((PAGE_SIZE > DCACHE_WAY_SIZE)? PAGE_SIZE : DCACHE_WAY_SIZE)
> > 
> > 
> > But including linux/shm.h here seems a bit silly.   We'll see..
> 
> If DRM even builds on XTENSA, let alone is usable there, I'll
> buy you a lollipop.

heh, OK.  But the risk is there.

<tries to test sparc32 allmodconfig>

scripts/mod/empty.c:1: error: -m64 is not supported by this configuration
scripts/mod/empty.c:1: error: -mlong-double-64 not allowed with -m64
scripts/mod/empty.c:1: error: -mcmodel= is not supported on 32 bit systems

<retires hurt>

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