tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   8f1fc64dc9b39fedb7390e086001ce5ec327e80d
commit: ce9e58ec0cfb95e8eb2f24e6159023f172e46686 [129/287] mm/balloon_compaction: keep ballooned pages away from normal migration path
config: i386-randconfig-ha3-0830 (attached as .config)

Note: the mmotm/master HEAD 8f1fc64dc9b39fedb7390e086001ce5ec327e80d builds fine.
      It only hurts bisectibility.

All error/warnings:

   mm/migrate.c: In function '__unmap_and_move':
>> mm/migrate.c:876:2: error: implicit declaration of function '__is_movable_balloon_page' [-Werror=implicit-function-declaration]
     if (unlikely(__is_movable_balloon_page(page))) {
     ^
   cc1: some warnings being treated as errors

vim +/__is_movable_balloon_page +876 mm/migrate.c

   870				remap_swapcache = 0;
   871			} else {
   872				goto out_unlock;
   873			}
   874		}
   875	
 > 876		if (unlikely(__is_movable_balloon_page(page))) {
   877			/*
   878			 * A ballooned page does not need any special attention from
   879			 * physical to virtual reverse mapping procedures.

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0-DAY kernel build testing backend              Open Source Technology Center
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