On 9/5/24 13:08, Nam Cao wrote: > > If I pause this program right after the two mmap(), before any munmap(), > then: > $cat /sys/kernel/debug/x86/pat_memtype_list > PAT memtype list: > PAT: [mem 0x00000000bffe0000-0x00000000bffe2000] write-back > PAT: [mem 0x00000000bffe1000-0x00000000bffe2000] write-back > PAT: [mem 0x00000000fd000000-0x00000000fd002000] uncached-minus <-- what I described > PAT: [mem 0x00000000fd001000-0x00000000fd003000] uncached-minus <-- what I described > PAT: [mem 0x00000000febc0000-0x00000000febe0000] uncached-minus Well, that's not what I had in mind, so I'm obviously the confused one. Let me take a look through your example and see if I can offer any alternatives.
