The patch titled
Subject: mm/hugetlb: remove unused arch hook prepare/release_hugepage
has been added to the -mm tree. Its filename is
mm-hugetlb-remove-unused-arch-hook-prepare-release_hugepage.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-remove-unused-arch-hook-prepare-release_hugepage.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-remove-unused-arch-hook-prepare-release_hugepage.patch
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------------------------------------------------------
From: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxxx>
Acked-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 10 ----------
1 file changed, 10 deletions(-)
diff -puN mm/hugetlb.c~mm-hugetlb-remove-unused-arch-hook-prepare-release_hugepage mm/hugetlb.c
--- a/mm/hugetlb.c~mm-hugetlb-remove-unused-arch-hook-prepare-release_hugepage
+++ a/mm/hugetlb.c
@@ -975,7 +975,6 @@ static void update_and_free_page(struct
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_pag
__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_pag
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);
_
Patches currently in -mm which might be from dingel@xxxxxxxxxxxxxxxxxx are
s390-mm-make-hugepages_supported-a-boot-time-decision.patch
mm-hugetlb-remove-unused-arch-hook-prepare-release_hugepage.patch
mm-hugetlb-remove-arch_prepare-release_hugepage-from-arch-headers.patch
s390-hugetlb-remove-dead-code-for-sw-emulated-huge-pages.patch
s390-mm-forward-check-for-huge-pmds-to-pmd_large.patch
linux-next.patch
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