The patch titled
mm: enable set_page_section() only if CONFIG_SPARSEMEM and !CONFIG_SPARSEMEM_VMEMMAP
has been added to the -mm tree. Its filename is
mm-enable-set_page_section-only-if-config_sparsemem-and-config_sparsemem_vmemmap.patch
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------------------------------------------------------
Subject: mm: enable set_page_section() only if CONFIG_SPARSEMEM and !CONFIG_SPARSEMEM_VMEMMAP
From: Daniel Kiper <dkiper@xxxxxxxxxxxx>
set_page_section() is valid only in CONFIG_SPARSEMEM and
!CONFIG_SPARSEMEM_VMEMMAP context. Move it to proper place and amend
accordingly functions which are using it.
Signed-off-by: Daniel Kiper <dkiper@xxxxxxxxxxxx>
Acked-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff -puN include/linux/mm.h~mm-enable-set_page_section-only-if-config_sparsemem-and-config_sparsemem_vmemmap include/linux/mm.h
--- a/include/linux/mm.h~mm-enable-set_page_section-only-if-config_sparsemem-and-config_sparsemem_vmemmap
+++ a/include/linux/mm.h
@@ -682,6 +682,12 @@ static inline struct zone *page_zone(str
}
#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)
+static inline void set_page_section(struct page *page, unsigned long section)
+{
+ page->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);
+ page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;
+}
+
static inline unsigned long page_to_section(struct page *page)
{
return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
@@ -700,18 +706,14 @@ static inline void set_page_node(struct
page->flags |= (node & NODES_MASK) << NODES_PGSHIFT;
}
-static inline void set_page_section(struct page *page, unsigned long section)
-{
- page->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);
- page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;
-}
-
static inline void set_page_links(struct page *page, enum zone_type zone,
unsigned long node, unsigned long pfn)
{
set_page_zone(page, zone);
set_page_node(page, node);
+#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)
set_page_section(page, pfn_to_section_nr(pfn));
+#endif
}
/*
_
Patches currently in -mm which might be from dkiper@xxxxxxxxxxxx are
linux-next.patch
mm-remove-dependency-on-config_flatmem-from-online_page.patch
mm-enable-set_page_section-only-if-config_sparsemem-and-config_sparsemem_vmemmap.patch
mm-pfn_to_section_nr-section_nr_to_pfn-is-valid-only-in-config_sparsemem-context.patch
mm-do-not-define-pfn_section_shift-if-config_sparsemem.patch
--
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