lkml.org 
[lkml]   [2023]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] mm/page_ext: move page_ext_operations definition under CONFIG_PAGE_EXTENSION
Date
page_ext_operations should only be defined when CONFIG_PAGE_EXTENSION is
enabled.
Besides, this may detect missing rely on CONFIG_PAGE_EXTENSION from
future Page Extension client at compile time.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
include/linux/page_ext.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index 67314f648aeb..8dd21d87e0da 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.
*/
--
2.30.0
\
 
 \ /
  Last update: 2023-07-17 05:33    [W:0.061 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site