Re: [PATCH]Fix parsing kernelcore boot option for ia64

From: Yasunori Goto
Date: Tue Apr 24 2007 - 05:59:58 EST

> Subject: Check zone boundaries when freeing bootmem
> Zone boundaries do not have to be aligned to MAX_ORDER_NR_PAGES.

Hmm. I don't understand here yet... Could you explain more?

This issue occurs only when ZONE_MOVABLE is specified.
If its boundary is aligned to MAX_ORDER automatically,
I guess user will not mind it.

>From memory hotplug view, I prefer section size alignment to make
simple code. :-P

> However,
> during boot, there is an implicit assumption that they are aligned to a
> BITS_PER_LONG boundary when freeing pages as quickly as possible. This
> patch checks the zone boundaries when freeing pages from the bootmem allocator.

Anyway, the patch works well.


Yasunori Goto

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