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ANDROID: GKI: export symbols to do reverse mapping within memcg and modify lru stats

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Export the symbols below to modify LRU state:
  root_mem_cgroup
  __mod_lruvec_state
  mem_cgroup_update_lru_size
  folio_referenced

Bug: 302230539
Change-Id: I27ac888f0fa09981ef4497bc04e4254318af7077
Signed-off-by: Zichun Zheng <zhengzichun@oppo.com>
This commit is contained in:
Zichun Zheng
2023-09-27 14:08:55 +08:00
parent 45fe413fdf
commit 89815ec103
2 changed files with 4 additions and 0 deletions
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3
mm/memcontrol.c
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@@ -78,6 +78,7 @@ struct cgroup_subsys memory_cgrp_subsys __read_mostly;
EXPORT_SYMBOL(memory_cgrp_subsys); EXPORT_SYMBOL(memory_cgrp_subsys);
struct mem_cgroup *root_mem_cgroup __read_mostly; struct mem_cgroup *root_mem_cgroup __read_mostly;
EXPORT_SYMBOL_GPL(root_mem_cgroup);
/* Active memory cgroup to use from an interrupt context */ /* Active memory cgroup to use from an interrupt context */
DEFINE_PER_CPU(struct mem_cgroup *, int_active_memcg); DEFINE_PER_CPU(struct mem_cgroup *, int_active_memcg);
@@ -827,6 +828,7 @@ void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
if (!mem_cgroup_disabled()) if (!mem_cgroup_disabled())
__mod_memcg_lruvec_state(lruvec, idx, val); __mod_memcg_lruvec_state(lruvec, idx, val);
} }
EXPORT_SYMBOL_GPL(__mod_lruvec_state);
void __mod_lruvec_page_state(struct page *page, enum node_stat_item idx, void __mod_lruvec_page_state(struct page *page, enum node_stat_item idx,
int val) int val)
@@ -1392,6 +1394,7 @@ void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
if (nr_pages > 0) if (nr_pages > 0)
*lru_size += nr_pages; *lru_size += nr_pages;
} }
EXPORT_SYMBOL_GPL(mem_cgroup_update_lru_size);
/** /**
* mem_cgroup_margin - calculate chargeable space of a memory cgroup * mem_cgroup_margin - calculate chargeable space of a memory cgroup

1
mm/rmap.c
View File

@@ -936,6 +936,7 @@ int folio_referenced(struct folio *folio, int is_locked,
return rwc.contended ? -1 : pra.referenced; return rwc.contended ? -1 : pra.referenced;
} }
EXPORT_SYMBOL_GPL(folio_referenced);
static int page_vma_mkclean_one(struct page_vma_mapped_walk *pvmw) static int page_vma_mkclean_one(struct page_vma_mapped_walk *pvmw)
{ {