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mm: move struct slabobj_ext to mm/slab.h

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Users of include/linux/memcontrol.h don't need to see this internal
structure. Further changes to the struct will reduce recompiling.

Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Harry Yoo (Oracle) <harry@kernel.org>
Reviewed-by: Hao Li <hao.li@linux.dev>
Link: https://patch.msgid.link/20260727-b4-objext_split-v3-3-c29ef0f1f257@kernel.org
Signed-off-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
This commit is contained in:
Vlastimil Babka (SUSE) 2026-07-27 14:53:57 +02:00
parent a867ffa398
commit 215bb51fff
2 changed files with 13 additions and 13 deletions
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13
include/linux/memcontrol.h
View File

@ -1440,19 +1440,6 @@ static inline void mem_cgroup_flush_workqueue(void) { }
static inline int mem_cgroup_init(void) { return 0; }
#endif /* CONFIG_MEMCG */
/*
* Extended information for slab objects stored as an array in page->memcg_data
* if MEMCG_DATA_OBJEXTS is set.
*/
struct slabobj_ext {
#ifdef CONFIG_MEMCG
struct obj_cgroup *objcg;
#endif
#ifdef CONFIG_MEM_ALLOC_PROFILING
union codetag_ref ref;
#endif
} __aligned(8);
static inline struct lruvec *parent_lruvec(struct lruvec *lruvec)
{
struct mem_cgroup *memcg;

13
mm/slab.h
View File

@ -549,6 +549,19 @@ static inline bool need_kmalloc_no_objext(void)
return false;
}
/*
* Extended information for slab objects stored as an array in page->memcg_data
* if MEMCG_DATA_OBJEXTS is set.
*/
struct slabobj_ext {
#ifdef CONFIG_MEMCG
struct obj_cgroup *objcg;
#endif
#ifdef CONFIG_MEM_ALLOC_PROFILING
union codetag_ref ref;
#endif
} __aligned(8);
#ifdef CONFIG_SLAB_OBJ_EXT
/*