On Fri, Jan 17, 2025 at 08:09:34PM +0100, Claudio Imbrenda wrote: > Until now, every dat table allocated to map a guest was put in a > linked list. The page->lru field of struct page was used to keep track > of which pages were being used, and when the gmap is torn down, the > list was walked and all pages freed. > > This patch gets rid of the usage of page->lru. Page tables are now > freed by recursively walking the dat table tree. > > Since s390_unlist_old_asce() becomes useless now, remove it. > > Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> Acked-by: Steffen Eiden <seiden@xxxxxxxxxxxxx> Nit: You missed one `ptdeѕec->pt_list` reference at arch/s390/mm/pgalloc.c unsigned long *page_table_alloc(struct mm_struct *mm) INIT_LIST_HEAD(&ptdesc->pt_list); Steffen
