Hi Shaohua,
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-3.5
head: d64f22e5761b1e367ba5d1e04d2fe5e0283aecbc
commit: cfb0997213ba955c7239735affdfd20fefc2dbba [123/137] swap: add a simple detector for inappropriate swapin readahead
config: m32r-mappi3.smp_defconfig
All related error/warning messages:
In file included from mm/filemap.c:36:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/page_alloc.c:64:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/swap.c:34:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/truncate.c:23:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/vmscan.c:51:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/util.c:10:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/mm_init.c:12:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/compaction.c:17:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/fremap.c:24:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/memory.c:68:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from mm/mlock.c:22:0:
mm/internal.h: In function 'swap_cache_hit':
mm/internal.h:380:3: error: implicit declaration of function 'atomic_dec_if_positive' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
..
vim +380 mm/internal.h
375 #define SWAPRA_MISS_THRESHOLD (100)
376 #define SWAPRA_MAX_MISS ((SWAPRA_MISS_THRESHOLD) * 10)
377 static inline void swap_cache_hit(struct vm_area_struct *vma)
378 {
379 if (vma && vma->anon_vma)
> 380 atomic_dec_if_positive(&vma->anon_vma->swapra_miss);
381 }
382
383 static inline void swap_cache_miss(struct vm_area_struct *vma)
384 {
385 if (!vma || !vma->anon_vma)
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <wfg@xxxxxxxxxxxxxxx> Intel Corporation
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