The patch titled
Subject: mm/hugetlb: move default definition of hugepd_t earlier in the header
has been added to the -mm tree. Its filename is
mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header.patch
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------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: mm/hugetlb: move default definition of hugepd_t earlier in the header
This enable to use the hugepd_t type early. No functional change in this
patch.
Link: http://lkml.kernel.org/r/1494926612-23928-6-git-send-email-aneesh.kumar@xxxxxxxxxxxxxxxxxx
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Mike Kravetz <kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/hugetlb.h | 47 +++++++++++++++++++-------------------
1 file changed, 24 insertions(+), 23 deletions(-)
diff -puN include/linux/hugetlb.h~mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header include/linux/hugetlb.h
--- a/include/linux/hugetlb.h~mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header
+++ a/include/linux/hugetlb.h
@@ -14,6 +14,30 @@ struct ctl_table;
struct user_struct;
struct mmu_gather;
+#ifndef is_hugepd
+/*
+ * Some architectures requires a hugepage directory format that is
+ * required to support multiple hugepage sizes. For example
+ * a4fe3ce76 "powerpc/mm: Allow more flexible layouts for hugepage pagetables"
+ * introduced the same on powerpc. This allows for a more flexible hugepage
+ * pagetable layout.
+ */
+typedef struct { unsigned long pd; } hugepd_t;
+#define is_hugepd(hugepd) (0)
+#define __hugepd(x) ((hugepd_t) { (x) })
+static inline int gup_huge_pd(hugepd_t hugepd, unsigned long addr,
+ unsigned pdshift, unsigned long end,
+ int write, struct page **pages, int *nr)
+{
+ return 0;
+}
+#else
+extern int gup_huge_pd(hugepd_t hugepd, unsigned long addr,
+ unsigned pdshift, unsigned long end,
+ int write, struct page **pages, int *nr);
+#endif
+
+
#ifdef CONFIG_HUGETLB_PAGE
#include <linux/mempolicy.h>
@@ -222,29 +246,6 @@ static inline int pud_write(pud_t pud)
}
#endif
-#ifndef is_hugepd
-/*
- * Some architectures requires a hugepage directory format that is
- * required to support multiple hugepage sizes. For example
- * a4fe3ce76 "powerpc/mm: Allow more flexible layouts for hugepage pagetables"
- * introduced the same on powerpc. This allows for a more flexible hugepage
- * pagetable layout.
- */
-typedef struct { unsigned long pd; } hugepd_t;
-#define is_hugepd(hugepd) (0)
-#define __hugepd(x) ((hugepd_t) { (x) })
-static inline int gup_huge_pd(hugepd_t hugepd, unsigned long addr,
- unsigned pdshift, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- return 0;
-}
-#else
-extern int gup_huge_pd(hugepd_t hugepd, unsigned long addr,
- unsigned pdshift, unsigned long end,
- int write, struct page **pages, int *nr);
-#endif
-
#define HUGETLB_ANON_FILE "anon_hugepage"
enum {
_
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at.patch
mm-follow_page_mask-split-follow_page_mask-to-smaller-functions.patch
mm-hugetlb-export-hugetlb_entry_migration-helper.patch
mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header.patch
mm-follow_page_mask-add-support-for-hugepage-directory-entry.patch
powerpc-hugetlb-add-follow_huge_pd-implementation-for-ppc64.patch
powerpc-mm-hugetlb-remove-follow_huge_addr-for-powerpc.patch
powerpc-hugetlb-enable-hugetlb-migration-for-ppc64.patch
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