On 08/09/2015 07:21 PM, PINTU KUMAR wrote:
-extern int fragmentation_index(struct zone *zone, unsigned int order);
+extern int fragmentation_index(struct zone *zone, unsigned int order,
+ bool ignore_suitable);
We would like to retain the original fragmentation_index as it is.
Because in some cases people may be using it without kcompactd.
In such cases, future kernel upgrades will suffer.
In my opinion fragmentation_index should work just based on zones and order.
I don't understand the concern. If you pass 'false' to ignore_suitable,
you get the standard behavior. Only kcompactd uses the altered behavior.
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