s390/mm: get estimated free pages by memblock api

Instead of getting estimated free pages from memblock directly, we have
introduced an API, memblock_estimated_nr_free_pages(), which is more
friendly for users.

Just replace it with new API, no functional change.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Mike Rapoport <rppt@kernel.org>
CC: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240808001415.6298-3-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index e3d258f9e72610a9d28bc77bdb580daddfcd7db6..651344206294df509d2cb2a109118b6033b80fbf 100644 (file)
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -62,7 +62,7 @@ EXPORT_SYMBOL(zero_page_mask);
 
 static void __init setup_zero_pages(void)
 {
-       unsigned long total_pages = PHYS_PFN(memblock_phys_mem_size() - memblock_reserved_size());
+       unsigned long total_pages = memblock_estimated_nr_free_pages();
        unsigned int order;
        struct page *page;
        int i;