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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: Dominik Dingel <dingel@linux.vnet.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dominik Dingel 2015-06-25 14:59:42 -07:00 committed by Linus Torvalds
parent bea41197ea
commit 8408427e6b
1 changed files with 0 additions and 10 deletions
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10
mm/hugetlb.c
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@ -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);