On Mon, May 13, 2024 at 11:43:09AM +0200, Oscar Salvador wrote: > 0-3GB -> 0 .. 23 section (memmap populated) > 4-32GB -> 31 .. 255 section (memmap populated) > 259-260GB -> 2071 .. 2079 section (memmap populated) And just to add more info, considering a 128MB section granularity (which seems to be what paric has) a PAGE_SIZE of 4KB (not really sure which page size parisc can deal with), PAGES_PER_SECTION then being 32768 and the vmemmap range starting at 0xffffea0000000000, we would have the following vmemmap layout: 0-3GB -> 0xffffea0000000000 - 0xffffea0003000000 4-32GB -> 0xffffea0004000000 - 0xffffea0007800000 259-260GB -> 0xffffea0023e00000 - 0xffffea0024e00000 I am not sure though whether we can hit any limitation when it comes to the vmemmap space we have available. -- Oscar Salvador SUSE Labs
