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mm: memcontrol: use generic mod_memcg_page_state for kmem pages

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The kmem-specific functions do the same thing.  Switch and drop.

Link: http://lkml.kernel.org/r/20170530181724.27197-5-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johannes Weiner
2017-07-06 15:40:49 -07:00
committed by Linus Torvalds
parent 320492961c
commit ed52be7bfd
3 changed files with 12 additions and 29 deletions
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8
kernel/fork.c
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@@ -326,8 +326,8 @@ static void account_kernel_stack(struct task_struct *tsk, int account)
}
/* All stack pages belong to the same memcg. */
memcg_kmem_update_page_stat(vm->pages[0], MEMCG_KERNEL_STACK_KB,
account * (THREAD_SIZE / 1024));
mod_memcg_page_state(vm->pages[0], MEMCG_KERNEL_STACK_KB,
account * (THREAD_SIZE / 1024));
} else {
/*
* All stack pages are in the same zone and belong to the
@@ -338,8 +338,8 @@ static void account_kernel_stack(struct task_struct *tsk, int account)
mod_zone_page_state(page_zone(first_page), NR_KERNEL_STACK_KB,
THREAD_SIZE / 1024 * account);
memcg_kmem_update_page_stat(first_page, MEMCG_KERNEL_STACK_KB,
account * (THREAD_SIZE / 1024));
mod_memcg_page_state(first_page, MEMCG_KERNEL_STACK_KB,
account * (THREAD_SIZE / 1024));
}
}