linux-kernel - Re: [PATCH 4/4] bootmem: fix wrong call parameter for free

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Message-ID: <20121113011329.GF10092@cmpxchg.org>
Date:	Mon, 12 Nov 2012 20:13:29 -0500
From:	Johannes Weiner <hannes@...xchg.org>
To:	Joonsoo Kim <js1304@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [PATCH 4/4] bootmem: fix wrong call parameter for free_bootmem()

On Mon, Nov 12, 2012 at 08:10:27PM -0500, Johannes Weiner wrote:
> On Tue, Nov 13, 2012 at 01:31:55AM +0900, Joonsoo Kim wrote:
> > It is somehow strange that alloc_bootmem return virtual address
> > and free_bootmem require physical address.
> > Anyway, free_bootmem()'s first parameter should be physical address.
> > 
> > There are some call sites for free_bootmem() with virtual address.
> > So fix them.
> > 
> > Cc: Andrew Morton <akpm@...ux-foundation.org>
> > Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> > Signed-off-by: Joonsoo Kim <js1304@...il.com>
> 
> Found another one, attached below.  The free_bootmem() in
> arch/powerpc/platforms/82xx/pq2ads-pci-pic.c looks also fishy, since
> it's applied to memory from kzalloc().  Ben?

Eh, missed the smu.c one in Joonsoo's patch.  powerpc one still
strange.
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