search for: hints_per_array

On Tue, Jun 19, 2018 at 08:13:37PM +0800, Wei Wang wrote: > On 06/19/2018 11:05 AM, Michael S. Tsirkin wrote: > > On Tue, Jun 19, 2018 at 01:06:48AM +0000, Wang, Wei W wrote: > > > On Monday, June 18, 2018 10:29 AM, Michael S. Tsirkin wrote: > > > > On Sat, Jun 16, 2018 at 01:09:44AM +0000, Wang, Wei W wrote: > > > > > Not necessarily, I think. We have

...1, which can report up to 2TB free memory. "getting two pages isn't harder", do you mean passing two arrays (two allocations by get_free_pages(,MAX_ORDER -1)) to the mm API? Please see if the following logic aligns to what you think: uint32_t i, max_hints, hints_per_page, hints_per_array, total_arrays; unsigned long *arrays; /* * Each array size is MAX_ORDER_NR_PAGES. If one array is not enough to * store all the hints, we need to allocate multiple arrays. * max_hints: the max number of 4MB free page blocks * hints_per_page: the nu...