From cf6031d0da5fa3d2eeddbbcae10245705e5d1d49 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 6 Aug 2021 09:54:30 +0200 Subject: [PATCH] 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 394216275c7d ("s390: remove broken hibernate / power management support"), let's remove these functions. Signed-off-by: David Hildenbrand Link: https://lore.kernel.org/r/20210806075430.6103-1-david@redhat.com Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik --- arch/s390/include/asm/page.h | 3 --- arch/s390/mm/page-states.c | 43 ------------------------------------------- 2 files changed, 46 deletions(-) diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 3ba945c..d98d17a 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -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) { diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index 68b1530..18a6381 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -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); - } -} -- 2.7.4