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SubjectRe: [PATCH 3/4] tracing, page-allocator: Add trace event for page traffic related to the buddy lists
Mel Gorman wrote:
> The page allocation trace event reports that a page was successfully allocated
> but it does not specify where it came from. When analysing performance,
> it can be important to distinguish between pages coming from the per-cpu
> allocator and pages coming from the buddy lists as the latter requires the
> zone lock to the taken and more data structures to be examined.

Acked-by: Rik van Riel <>

All rights reversed.

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