reclaim acct编译告警mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]

**【模块名_概率】简要描述：**

**【环境信息】:** 
- 网络环境
- 硬件开发板型号
- 软件版本信息或tag节点
- 测试环境
- 其他

**【预置条件】:**
NA

**【测试步骤】：**
make -j64 ARCH=aarch64 CROSS_COMPILE=aarch64-linux-gnueabi-

**【预期结果】：**
编译无Warning和Error

**【实际结果】：**
In file included from mm/mm_init.c:17:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/truncate.c:27:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/util.c:29:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/readahead.c:27:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/debug.c:18:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/page-writeback.c:43:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/swap.c:40:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/mprotect.c:36:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/page_vma_mapped.c:8:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/slab_common.c:29:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/oom_kill.c:48:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/compaction.c:26:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/mremap.c:31:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/gup.c:24:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/mlock.c:27:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/mmap.c:59:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/vmstat.c:32:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/vmscan.c:61:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/fadvise.c:25:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/memblock.c:23:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/shmem.c:86:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/rmap.c:80:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/filemap.c:45:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/sparse.c:17:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
mm/reclaim_acct.c: In function ‘reclaimacct_init_handle’:
mm/reclaim_acct.c:127:6: warning: unused variable ‘i’ [-Wunused-variable]
  127 |  int i;
      |      ^
In file included from mm/memory.c:87:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/swap_state.c:25:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/madvise.c:36:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/ksm.c:43:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/vmalloc.c:42:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/page_reporting.c:11:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/migrate.c:58:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/hugetlb.c:44:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/page_isolation.c:13:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/page_alloc.c:81:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/slub.c:41:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/huge_memory.c:39:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/mempolicy.c:106:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/memory-failure.c:59:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from lib/vsprintf.c:48:
lib/../mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/khugepaged.c:24:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
In file included from mm/memcontrol.c:62:
mm/internal.h:792:20: warning: ‘stub_name’ defined but not used [-Wunused-variable]
  792 | static const char *stub_name[NR_RA_STUBS] = {
      |                    ^~~~~~~~~
 **【恢复手段】：**
NA

**【出现概率】：问题出现次数/实际测试次数**
必现

**【定位信息】：**

- 1. Log、截图、多媒体文件等，所有和问题有关的信息：

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