On 20.06.22 13:06, Muchun Song wrote: > We are almost running out of section flags, only one bit is available in > the worst case (powerpc with 256k pages). However, there are still some > free bits (in ->section_mem_map) on other architectures (e.g. x86_64 has > 10 bits available, arm64 has 8 bits available with worst case of 64K > pages). We have hard coded those numbers in code, it is inconvenient to > use those bits on other architectures except powerpc. So transfer those > section flags to enumeration to make it easy to add new section flags in > the future. Also, move SECTION_TAINT_ZONE_DEVICE into the scope of > CONFIG_ZONE_DEVICE to save a bit on non-zone-device case. > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David / dhildenb
