On 02/11/2016 06:21 AM, Kirill A. Shutemov wrote: > For file pages we don't deposit page table on mapping: no need to > withdraw it.
I thought the deposit thing was to guarantee we could always do a PMD split. It still seems like if you wanted to split a huge-tmpfs page, you'd need to first split the PMD which might need the deposited one. Why not?
