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Date:	Sat, 19 Jul 2014 15:49:04 +0200
From:	Pavel Machek <>
To:	Joerg Roedel <>
Cc:	"Rafael J. Wysocki" <>,
	Len Brown <>,,
Subject: Re: [PATCH 0/6] PM / Hibernate: Memory bitmap scalability


> These patches improve the data structure by adding a radix
> tree to the linked list structure to improve random access
> performance from O(n) to O(log_b(n)), where b depends on the
> architecture (b=512 on amd64, 1024 in i386).

Are you sure? From your other mail, you said you are adding just a
single page. I'd expect random access performance to go from

O(n) to O(n/1024) in such case?

(cesky, pictures)
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