On 7/21/23 4:29 PM, Michał Mirosław wrote: > On Fri, Jul 21, 2023 at 03:48:22PM +0500, Muhammad Usama Anjum wrote: >> On 7/21/23 12:28 AM, Michał Mirosław wrote: >>> This is a massaged version of patch by Muhammad Usama Anjum [1] >>> to illustrate my review comments and hopefully push the implementation >>> efforts closer to conclusion. The changes are: >> Thank you so much for this effort. I also want to reach conclusion. I'll >> agree with all the changes which don't affect me. But some requirements >> aren't being fulfilled with this current design. > [...] >> #define PAGE_IS_WPASYNC (1 << 0) >> #define PAGE_IS_WRITTEN (1 << 1) >> You have another new flag PAGE_IS_WPASYNC. But there is no application of >> PAGE_IS_WPASYNC. We must not add a flag which don't have any user. > > BTW, I'm not sure I got the PAGE_IS_WPASYNC naming right - this is to > designate pages that can be write-protected (are UFFD-registered I believe). PAGE_IS_UFFDWP_REGISTERED or PAGE_IS_WP_REG? > > Best Regards > Michał Mirosław -- BR, Muhammad Usama Anjum