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Message-Id: <1432813957-46874-3-git-send-email-dingel@linux.vnet.ibm.com>
Date: Thu, 28 May 2015 13:52:34 +0200
From: Dominik Dingel <dingel@...ux.vnet.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: Russell King <linux@....linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Tony Luck <tony.luck@...el.com>,
Fenghua Yu <fenghua.yu@...el.com>,
James Hogan <james.hogan@...tec.com>,
Ralf Baechle <ralf@...ux-mips.org>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
linux390@...ibm.com, "David S. Miller" <davem@...emloft.net>,
Chris Metcalf <cmetcalf@...hip.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Zhang Zhen <zhenzhang.zhang@...wei.com>,
Dominik Dingel <dingel@...ux.vnet.ibm.com>,
David Rientjes <rientjes@...gle.com>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
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Davidlohr Bueso <dave@...olabs.net>,
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Luiz Capitulino <lcapitulino@...hat.com>,
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linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
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linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
linux-mm@...ck.org
Subject: [PATCH 2/5] 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.
Acked-by: Martin Schwidefsky <schwidefsky@...ibm.com>
Signed-off-by: Dominik Dingel <dingel@...ux.vnet.ibm.com>
---
mm/hugetlb.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 290984b..a97958e 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -917,7 +917,6 @@ 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));
}
}
@@ -1102,10 +1101,6 @@ 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);
}
@@ -1257,11 +1252,6 @@ 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);
--
2.3.7
--
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