On 09/14/2018 11:04 AM, Prakash Sangappa wrote: > Also, for valid VMAs in 'maps' file, if the VMA is sparsely > populated with physical pages, the page walk can skip over non > existing page table entires (PMDs) and so can be faster. Note that this only works for things that were _never_ populated. They might be sparse after once being populated and then being reclaimed or discarded. Those will still have all the page tables allocated.
- [PATCH V2 5/6] File /proc/<pid>/numa_vamaps access ... Prakash Sangappa
- [PATCH V2 6/6] /proc/pid/numa_vamaps: document in Documen... Prakash Sangappa
- [PATCH V2 3/6] Provide process address range to numa node... Prakash Sangappa
- Re: [PATCH V2 0/6] VA to numa node information Michal Hocko
- Re: [PATCH V2 0/6] VA to numa node information prakash.sangappa
- Re: [PATCH V2 0/6] VA to numa node information Andrew Morton
- Re: [PATCH V2 0/6] VA to numa node informati... Dave Hansen
- Re: [PATCH V2 0/6] VA to numa node information Michal Hocko
- Re: [PATCH V2 0/6] VA to numa node informati... Steven Sistare
- Re: [PATCH V2 0/6] VA to numa node infor... Prakash Sangappa
- Re: [PATCH V2 0/6] VA to numa node ... Dave Hansen