Re: [PATCH 1/5] add per-zone statistics to show_free_areas()

From: KOSAKI Motohiro
Date: Sun Jul 05 2009 - 07:10:09 EST


> On Sun, Jul 05, 2009 at 05:23:35PM +0800, KOSAKI Motohiro wrote:
> > Subject: [PATCH] add per-zone statistics to show_free_areas()
> >
> > Currently, show_free_area() mainly display system memory usage. but it
> > doesn't display per-zone memory usage information.
> >
> > However, if DMA zone OOM occur, Administrator definitely need to know
> > per-zone memory usage information.
>
> DMA zone is normally lowmem-reserved. But I think the numbers still
> make sense for DMA32.
>
> Acked-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>

Yes, x86_64 have DMA and DMA32, but almost 64-bit architecture have
2 or 4GB "DMA" zone.
Then, I wrote the patch description by generic name.

Thanks.


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