On 3/17/21 7:04 AM, Roger Pau Monne wrote: > > /* > - * Clamp the amount of extra memory to a XEN_EXTRA_MEM_RATIO > - * factor the base size. > + * Clamp the amount of extra memory to a EXTRA_MEM_RATIO > + * factor the base size. On non-highmem systems, the base > + * size is the full initial memory allocation; on highmem it > + * is limited to the max size of lowmem, so that it doesn't > + * get completely filled. > * > * Make sure we have no memory above max_pages, as this area > * isn't handled by the p2m management. > + * > + * In principle there could be a problem in lowmem systems if > + * the initial memory is also very large with respect to > + * lowmem, but we won't try to deal with that here. > */
This comment looks out-of-date in light of deprecated support for 32-bit PV. So I think we don't need to revert this part (except for the macro name). -boris
