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authorKemeng Shi <shikemeng@huaweicloud.com>2023-07-17 19:32:27 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-08-21 13:37:31 -0700
commit67311a36e5e1e56dfa7264c93db759b18217e114 (patch)
tree1c7712e1537586964d1b32dea0bb731e2eb41512 /include/linux/page_ext.h
parentc6493f4bd789eafc918a5e210e80256e2284a7c0 (diff)
mm/page_ext: move page_ext_operations definition under CONFIG_PAGE_EXTENSION
page_ext_operations should only be defined when CONFIG_PAGE_EXTENSION is enabled. Besides, this may detect missing reliance on CONFIG_PAGE_EXTENSION from future Page Extension clients at compile time. Link: https://lkml.kernel.org/r/20230717113227.1897173-4-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/page_ext.h')
-rw-r--r--include/linux/page_ext.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index 658d8d39a10e..be98564191e6 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -8,6 +8,7 @@
struct pglist_data;
+#ifdef CONFIG_PAGE_EXTENSION
/**
* struct page_ext_operations - per page_ext client operations
* @offset: Offset to the client's data within page_ext. Offset is returned to
@@ -29,8 +30,6 @@ struct page_ext_operations {
bool need_shared_flags;
};
-#ifdef CONFIG_PAGE_EXTENSION
-
/*
* The page_ext_flags users must set need_shared_flags to true.
*/