kbuild test robot
2019-Sep-11 09:33 UTC
[vhost:linux-next 14/17] include/linux/mmzone.h:815:3: error: implicit declaration of function 'move_page_to_reported_list'; did you mean 'move_to_free_list'?
tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/mst/vhost.git
linux-next
head: 39c226b6b576b23d6d558331e6895f02b0892555
commit: 50ed0c2ecb2e254a50e4ad775840f29d42cf6c00 [14/17] mm: Introduce Reported
pages
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 7.4.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 50ed0c2ecb2e254a50e4ad775840f29d42cf6c00
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/page_reporting.h:5:0,
from <command-line>:0:
include/linux/mmzone.h: In function 'add_to_free_list_tail':
include/linux/mmzone.h:791:27: error: implicit declaration of function
'get_unreported_tail' [-Werror=implicit-function-declaration]
struct list_head *tail = get_unreported_tail(zone, order, migratetype);
^~~~~~~~~~~~~~~~~~~
include/linux/mmzone.h:791:27: warning: initialization makes pointer from
integer without a cast [-Wint-conversion]
include/linux/mmzone.h: In function 'move_to_free_list':
include/linux/mmzone.h:807:27: warning: initialization makes pointer from
integer without a cast [-Wint-conversion]
struct list_head *tail = get_unreported_tail(zone, order, migratetype);
^~~~~~~~~~~~~~~~~~~>> include/linux/mmzone.h:815:3: error: implicit declaration of function
'move_page_to_reported_list'; did you mean 'move_to_free_list'?
[-Werror=implicit-function-declaration]
move_page_to_reported_list(page, zone, migratetype);
^~~~~~~~~~~~~~~~~~~~~~~~~~
move_to_free_list
include/linux/mmzone.h: In function 'del_page_from_free_list':
include/linux/mmzone.h:831:3: error: implicit declaration of function
'del_page_from_reported_list'; did you mean
'del_page_from_free_list'? [-Werror=implicit-function-declaration]
del_page_from_reported_list(page, zone);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
del_page_from_free_list
In file included from <command-line>:0:0:
include/linux/page_reporting.h: At top level:
include/linux/page_reporting.h:74:1: error: conflicting types for
'get_unreported_tail'
get_unreported_tail(struct zone *zone, unsigned int order, int migratetype)
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/page_reporting.h:5:0,
from <command-line>:0:
include/linux/mmzone.h:791:27: note: previous implicit declaration of
'get_unreported_tail' was here
struct list_head *tail = get_unreported_tail(zone, order, migratetype);
^~~~~~~~~~~~~~~~~~~
In file included from <command-line>:0:0:
include/linux/page_reporting.h:106:20: warning: conflicting types for
'del_page_from_reported_list'
static inline void del_page_from_reported_list(struct page *page,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/page_reporting.h:106:20: error: static declaration of
'del_page_from_reported_list' follows non-static declaration
In file included from include/linux/page_reporting.h:5:0,
from <command-line>:0:
include/linux/mmzone.h:831:3: note: previous implicit declaration of
'del_page_from_reported_list' was here
del_page_from_reported_list(page, zone);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from <command-line>:0:0:
include/linux/page_reporting.h:118:20: warning: conflicting types for
'move_page_to_reported_list'
static inline void move_page_to_reported_list(struct page *page,
^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/page_reporting.h:118:20: error: static declaration of
'move_page_to_reported_list' follows non-static declaration
In file included from include/linux/page_reporting.h:5:0,
from <command-line>:0:
include/linux/mmzone.h:815:3: note: previous implicit declaration of
'move_page_to_reported_list' was here
move_page_to_reported_list(page, zone, migratetype);
^~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +815 include/linux/mmzone.h
786
787 /* Used for pages not on another list */
788 static inline void add_to_free_list_tail(struct page *page, struct zone
*zone,
789 unsigned int order, int migratetype)
790 {
> 791 struct list_head *tail = get_unreported_tail(zone, order,
migratetype);
792
793 /*
794 * To prevent the unreported pages from being interleaved with the
795 * reported ones while we are actively processing pages we will use
796 * the head of the reported pages to determine the tail of the free
797 * list.
798 */
799 list_add_tail(&page->lru, tail);
800 zone->free_area[order].nr_free++;
801 }
802
803 /* Used for pages which are on another list */
804 static inline void move_to_free_list(struct page *page, struct zone
*zone,
805 unsigned int order, int migratetype)
806 {
807 struct list_head *tail = get_unreported_tail(zone, order, migratetype);
808
809 /*
810 * We must get the tail for our target list before moving the page on
811 * the reported list as we will possibly be replacing the tail page of
812 * the list with our current page if it is reported.
813 */
814 if (unlikely(PageReported(page)))
> 815 move_page_to_reported_list(page, zone, migratetype);
816
817 /*
818 * To prevent unreported pages from being mixed with the reported
819 * ones we add pages to the tail of the list. By doing this the function
820 * above can either label them as included in the reported list or not
821 * and the result will be consistent.
822 */
823 list_move_tail(&page->lru, tail);
824 }
825
---
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