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authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>2013-12-12 17:12:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-12-12 18:19:25 -0800
commitf40386a4e976acb2bd3e0f9ead11e8e769acbe98 (patch)
tree7b87fce0a88425cb3c7bafbf52751500063cb117 /include/linux/hugetlb.h
parent846f29a6afb5f272ee1c8b2a57c5730ab31eabaa (diff)
downloadlwn-f40386a4e976acb2bd3e0f9ead11e8e769acbe98.tar.gz
lwn-f40386a4e976acb2bd3e0f9ead11e8e769acbe98.zip
include/linux/hugetlb.h: make isolate_huge_page() an inline
With CONFIG_HUGETLBFS=n: mm/migrate.c: In function `do_move_page_to_node_array': include/linux/hugetlb.h:140:33: warning: statement with no effect [-Wunused-value] #define isolate_huge_page(p, l) false ^ mm/migrate.c:1170:4: note: in expansion of macro `isolate_huge_page' isolate_huge_page(page, &pagelist); Reported-by: Borislav Petkov <bp@alien8.de> Tested-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r--include/linux/hugetlb.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 9649ff0c63f8..bd7e98752222 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -142,7 +142,10 @@ static inline int dequeue_hwpoisoned_huge_page(struct page *page)
return 0;
}
-#define isolate_huge_page(p, l) false
+static inline bool isolate_huge_page(struct page *page, struct list_head *list)
+{
+ return false;
+}
#define putback_active_hugepage(p) do {} while (0)
#define is_hugepage_active(x) false