On Fri, May 20, 2022 at 05:56:52PM -0400, Zi Yan wrote: > Do you have the page information like refcount, map count, mapping, index, and > page flags? That would be more helpful. Thanks. page:fffffc200c7f8000 refcount:393 mapcount:1 mapping:0000000000000000 index:0xffffbb800 pfn:0x8039fe00 head:fffffc200c7f8000 order:9 compound_mapcount:0 compound_pincount:0 memcg:ffff40026005a000 anon flags: 0xbfffc000009001c(uptodate|dirty|lru|head|swapbacked|node=0|zone=2|lastcpupid=0xffff) raw: 0bfffc000009001c fffffc2007b74048 fffffc2009c087c8 ffff08038dab9189 raw: 0000000ffffbb800 0000000000000000 0000018900000000 ffff40026005a000 > I cannot reproduce it locally after hundreds of iterations of flip_mem.py on my > x86_64 VM and bare metal. > > What ARM machine are you using? I wonder if I am able to get one locally. Ampere Altra.
