linux-kernel - Re: [RFC PATCH 2/3] kmemleak: Add callbacks to the bootmem allocator

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1247047355.6595.16.camel@pc1117.cambridge.arm.com>
Date:	Wed, 08 Jul 2009 11:02:35 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	Pekka Enberg <penberg@...helsinki.fi>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>
Subject: Re: [RFC PATCH 2/3] kmemleak: Add callbacks to the bootmem
	allocator

On Wed, 2009-07-08 at 11:46 +0200, Johannes Weiner wrote:
> On Tue, Jul 07, 2009 at 11:09:46PM +0100, Catalin Marinas wrote:
> 
> > It seems that alloc_bootmem_core() is central to all the bootmem
> > allocations. Is it OK to place the kmemleak_alloc hook only in this
> > function?
> > 
> > diff --git a/mm/bootmem.c b/mm/bootmem.c
> > index 5a649a0..74cbb34 100644
> > --- a/mm/bootmem.c
> > +++ b/mm/bootmem.c
> > @@ -520,6 +520,7 @@ find_block:
> >  		region = phys_to_virt(PFN_PHYS(bdata->node_min_pfn) +
> >  				start_off);
> >  		memset(region, 0, size);
> > +		kmemleak_alloc(region, size, 1, 0);
> >  		return region;
> >  	}
> 
> Yes, that should work.

Thanks. May I add your Acked-by line to the final patch?

-- 
Catalin

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/