Hi Andrew,
After merging the akpm-current tree, today's linux-next build (powerpc
ppc64_defconfig) produced these warnings:
In file included from mm/slab_common.c:26:0:
mm/slab_common.c: In function 'kmem_cache_destroy':
mm/slab.h:259:30: warning: right-hand operand of comma expression has no effect [-Wunused-value]
for (iter = NULL, tmp = NULL, (root); 0; )
^
mm/slab_common.c:620:2: note: in expansion of macro 'for_each_memcg_cache_safe'
for_each_memcg_cache_safe(c, c2, s) {
^
mm/slab_common.c: In function 'memcg_accumulate_slabinfo':
mm/slab.h:257:18: warning: right-hand operand of comma expression has no effect [-Wunused-value]
for (iter = NULL, (root); 0; )
^
mm/slab_common.c:959:2: note: in expansion of macro 'for_each_memcg_cache'
for_each_memcg_cache(c, s) {
^
In file included from mm/slub.c:19:0:
mm/slub.c: In function '__kmem_cache_alias':
mm/slab.h:257:18: warning: right-hand operand of comma expression has no effect [-Wunused-value]
for (iter = NULL, (root); 0; )
^
mm/slub.c:3652:3: note: in expansion of macro 'for_each_memcg_cache'
for_each_memcg_cache(c, s) {
^
Introduced by commit 3019931a000b ("slab: link memcg caches of the same
kind into a list").
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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