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authorJohannes Weiner <hannes@cmpxchg.org>2022-09-26 09:57:04 -0400
committerAndrew Morton <akpm@linux-foundation.org>2022-10-03 14:03:36 -0700
commite55b9f96860f6c6026cff97966a740576285e07b (patch)
treea0341415c2b45733d612961e2e356dad07954300 /mm/memcontrol.c
parentb94c4e949c36e0e363515822ade0d8305e9a6ef2 (diff)
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mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol
Since 2d1c498072de ("mm: memcontrol: make swap tracking an integral part of memory control"), CONFIG_MEMCG_SWAP hasn't been a user-visible config option anymore, it just means CONFIG_MEMCG && CONFIG_SWAP. Update the sites accordingly and drop the symbol. [ While touching the docs, remove two references to CONFIG_MEMCG_KMEM, which hasn't been a user-visible symbol for over half a decade. ] Link: https://lkml.kernel.org/r/20220926135704.400818-5-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Shakeel Butt <shakeelb@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 76bb0a18a2f3..61e05fc281fb 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3423,7 +3423,7 @@ void split_page_memcg(struct page *head, unsigned int nr)
css_get_many(&memcg->css, nr - 1);
}
-#ifdef CONFIG_MEMCG_SWAP
+#ifdef CONFIG_SWAP
/**
* mem_cgroup_move_swap_account - move swap charge and swap_cgroup's record.
* @entry: swap entry to be moved
@@ -7296,7 +7296,7 @@ static int __init mem_cgroup_init(void)
}
subsys_initcall(mem_cgroup_init);
-#ifdef CONFIG_MEMCG_SWAP
+#ifdef CONFIG_SWAP
static struct mem_cgroup *mem_cgroup_id_get_online(struct mem_cgroup *memcg)
{
while (!refcount_inc_not_zero(&memcg->id.ref)) {
@@ -7788,4 +7788,4 @@ static int __init mem_cgroup_swap_init(void)
}
subsys_initcall(mem_cgroup_swap_init);
-#endif /* CONFIG_MEMCG_SWAP */
+#endif /* CONFIG_SWAP */