On Sun, 1 Nov 2015, Jungseok Lee wrote: > There is no room to adjust 'atom_size' now when a generic percpu area > is used. It would be redundant to write down an architecture-specific > setup_per_cpu_areas() in order to only change the 'atom_size'. Thus, > this patch adds a new definition, PERCPU_ATOM_SIZE, which is PAGE_SIZE > by default. The value could be updated if needed by architecture. What is atom_size? Why would you want a difference allocation size here? The percpu area is virtually mapped regardless. So you will have contiguous addresses even without atom_size. -- 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>