linux-kernel - Re: [PATCH -mm 08/14] bootmem: clean up alloc_bootmem

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Message-Id: <20080602234511.16B4.E1E9C6FF@jp.fujitsu.com>
Date:	Mon, 02 Jun 2008 23:48:21 +0900
From:	Yasunori Goto <y-goto@...fujitsu.com>
To:	Johannes Weiner <hannes@...urebad.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH -mm 08/14] bootmem: clean up alloc_bootmem_core

> Hi,
> 
> Yasunori Goto <y-goto@...fujitsu.com> writes:
> 
> > Hello.
> >
> >> +		/*
> >> +		 * Reserve the area now:
> >> +		 */
> >> +		for (i = PFN_DOWN(new_start) + merge; i < PFN_UP(new_end); i++)
> >> +			if (test_and_set_bit(i, bdata->node_bootmem_map))
> >> +				BUG();
> >> +
> >> +		region = phys_to_virt(bdata->node_boot_start + new_start);
> >> +		memset(region, 0, size);
> >> +		return region;
> >
> > bdata->last_success doesn't seem to be updated in alloc_bootmem_core(),
> > it is updated in only __free().
> > Is it intended? If not, it should be updated, I suppose....
> 
> Yeah, I forgot that.  See my reply to `bootmem: respect goal more
> likely'.
> 
> Thanks for reviewing!
> 
> 	Hannes

Oh, I didn't notice it.
Ok. I'll test newer version on my ia64 box.


Bye.


-- 
Yasunori Goto 


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