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Commit 8408427e authored by Dominik Dingel's avatar Dominik Dingel Committed by Linus Torvalds
Browse files

mm/hugetlb: remove unused arch hook prepare/release_hugepage 



With s390 dropping support for emulated hugepages, the last user of
arch_prepare_hugepage and arch_release_hugepage is gone.

Signed-off-by: default avatarDominik Dingel <dingel@linux.vnet.ibm.com>
Acked-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bea41197

mm/hugetlb.c

+0 −10
Original line number Diff line number Diff line
@@ -975,7 +975,6 @@ static void update_and_free_page(struct hstate *h, struct page *page) 
		destroy_compound_gigantic_page(page, huge_page_order(h));

		free_gigantic_page(page, huge_page_order(h));

	} else {

		arch_release_hugepage(page);

		__free_pages(page, huge_page_order(h));

	}

}
@@ -1160,10 +1159,6 @@ static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid) 
						__GFP_REPEAT|__GFP_NOWARN,

		huge_page_order(h));

	if (page) {

		if (arch_prepare_hugepage(page)) {

			__free_pages(page, huge_page_order(h));

			return NULL;

		}

		prep_new_huge_page(h, page, nid);

	}
@@ -1315,11 +1310,6 @@ static struct page *alloc_buddy_huge_page(struct hstate *h, int nid) 
			htlb_alloc_mask(h)|__GFP_COMP|__GFP_THISNODE|

			__GFP_REPEAT|__GFP_NOWARN, huge_page_order(h));



	if (page && arch_prepare_hugepage(page)) {

		__free_pages(page, huge_page_order(h));

		page = NULL;

	}



	spin_lock(&hugetlb_lock);

	if (page) {

		INIT_LIST_HEAD(&page->lru);