Commit cf6031d0 authored by David Hildenbrand's avatar David Hildenbrand Committed by Vasily Gorbik
Browse files

s390/mm: remove unused cmma functions 



The last user of arch_set_page_states(), arch_set_page_nodat() and
arch_test_page_nodat() was removed in commit 39421627
("s390: remove broken hibernate / power management support"),
let's remove these functions.

Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20210806075430.6103-1-david@redhat.com


Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 9f79b549

arch/s390/include/asm/page.h

+0 −3
Original line number Diff line number Diff line
@@ -144,9 +144,6 @@ struct page; 
void arch_free_page(struct page *page, int order);

void arch_alloc_page(struct page *page, int order);

void arch_set_page_dat(struct page *page, int order);

void arch_set_page_nodat(struct page *page, int order);

int arch_test_page_nodat(struct page *page);

void arch_set_page_states(int make_stable);



static inline int devmem_is_allowed(unsigned long pfn)

{

arch/s390/mm/page-states.c

+0 −43
Original line number Diff line number Diff line
@@ -228,46 +228,3 @@ void arch_set_page_dat(struct page *page, int order) 
		return;

	set_page_stable_dat(page, order);

}
 


void arch_set_page_nodat(struct page *page, int order)

{

	if (cmma_flag < 2)

		return;

	set_page_stable_nodat(page, order);

}



int arch_test_page_nodat(struct page *page)

{

	unsigned char state;



	if (cmma_flag < 2)

		return 0;

	state = get_page_state(page);

	return !!(state & 0x20);

}



void arch_set_page_states(int make_stable)

{

	unsigned long flags, order, t;

	struct list_head *l;

	struct page *page;

	struct zone *zone;



	if (!cmma_flag)

		return;

	if (make_stable)

		drain_local_pages(NULL);

	for_each_populated_zone(zone) {

		spin_lock_irqsave(&zone->lock, flags);

		for_each_migratetype_order(order, t) {

			list_for_each(l, &zone->free_area[order].free_list[t]) {

				page = list_entry(l, struct page, lru);

				if (make_stable)

					set_page_stable_dat(page, order);

				else

					set_page_unused(page, order);

			}

		}

		spin_unlock_irqrestore(&zone->lock, flags);

	}

}