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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 394216275c
("s390: remove broken hibernate / power management support"),
let's remove these functions.

Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20210806075430.6103-1-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
David Hildenbrand 2021-08-06 09:54:30 +02:00 committed by Vasily Gorbik
parent 9f79b54951
commit cf6031d0da
2 changed files with 0 additions and 46 deletions
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3
arch/s390/include/asm/page.h
View File

@ -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)
{

43
arch/s390/mm/page-states.c
View File

@ -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);
}
}