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? -- 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>