On Tue 01-08-23 10:11:13, Aneesh Kumar K.V wrote:
[...]
> + if (mode == MEMMAP_ON_MEMORY_FORCE) {
> + unsigned long memmap_pages =
> memory_block_memmap_on_memory_pages();
unsigned long wastage = memmap_pages -
PFN_UP(memory_block_memmap_size());
if (wastage)
pr_info_once("memmap_on_memory=force will waste %ld
pages in each memory block %ld\n",
wastage, memory_block_size_bytes() >>
PAGE_SHIFT);
would be more useful IMHO.
> +
> + pr_info_once("Memory hotplug will waste %ld pages in each
> memory block\n",
> + memmap_pages - PFN_UP(memory_block_memmap_size()));
--
Michal Hocko
SUSE Labs
