Re: [PATCH v1 02/19] mm/compaction: support non-lru movable page migration

From: kbuild test robot
Date: Fri Mar 11 2016 - 03:12:19 EST


Hi Minchan,

[auto build test ERROR on v4.5-rc7]
[cannot apply to next-20160310]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Minchan-Kim/Support-non-lru-page-migration/20160311-153649
config: x86_64-nfsroot (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

In file included from mm/compaction.c:12:0:
>> include/linux/compaction.h:87:20: error: static declaration of 'isolate_movable_page' follows non-static declaration
static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode)
^
In file included from mm/compaction.c:11:0:
include/linux/migrate.h:36:13: note: previous declaration of 'isolate_movable_page' was here
extern bool isolate_movable_page(struct page *page, isolate_mode_t mode);
^
In file included from mm/compaction.c:12:0:
>> include/linux/compaction.h:92:20: error: static declaration of 'putback_movable_page' follows non-static declaration
static inline void putback_movable_page(struct page *page)
^
In file included from mm/compaction.c:11:0:
include/linux/migrate.h:37:13: note: previous declaration of 'putback_movable_page' was here
extern void putback_movable_page(struct page *page);
^

vim +/isolate_movable_page +87 include/linux/compaction.h

81
82 static inline bool compaction_deferred(struct zone *zone, int order)
83 {
84 return true;
85 }
86
> 87 static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode)
88 {
89 return false;
90 }
91
> 92 static inline void putback_movable_page(struct page *page)
93 {
94 }
95 #endif /* CONFIG_COMPACTION */

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