On 4/15/21 3:35 AM, Oscar Salvador wrote: > Pages allocated after boot get its private field cleared by means > of post_alloc_hook(). > Pages allocated during boot, that is directly from the memblock allocator, > get cleared by paging_init()->..->memmap_init_zone->..->__init_single_page() > before any memblock allocation. > > Based on this ground, let us remove the clearing of the flag from > prep_new_huge_page() as it is not needed. > > Signed-off-by: Oscar Salvador <osalvador@xxxxxxx> The comment "allocated after boot" made sense to me, but I can see where Michal's suggestion was coming from (list the allocators that do the clearing). Also, listing this as a left over would be a good idea. Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> -- Mike Kravetz
