On Fri, Jul 26, 2013 at 11:45:36AM +0800, Tang Chen wrote: > I just don't want to any new variables to store the hotpluggable regions. > But without a new shared variable, it seems difficult to achieve the goal > you said below. Why can't it be done with the .flags field that was added anyway? > So how about this. > 1. Introduce a new global list used to store hotpluggable regions. > 2. On acpi side, find and fulfill the list. > 3. On memblock side, make the default allocation function stay away from > these regions. I was thinking more along the line of 1. Mark hotpluggable regions with a flag in memblock. 2. On ACPI side, find and mark hotpluggable regions. 3. Make memblock avoid giving out hotpluggable regions for normal allocations. Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>