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mm/memcontrol: use kstrtobool for swapaccount param parsing

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Use kstrtobool which is more powerful to handle all kinds of parameters
like 'Yy1Nn0' or [oO][NnFf] for "on" and "off".

Link: https://lkml.kernel.org/r/20220913071358.1812206-1-liushixin2@huawei.com
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liu Shixin 2022-09-13 15:13:58 +08:00 committed by Andrew Morton
parent 29454cf6ab
commit 4988fe6952
1 changed files with 4 additions and 4 deletions
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8
mm/memcontrol.c
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@ -7507,10 +7507,10 @@ bool mem_cgroup_swap_full(struct folio *folio)
static int __init setup_swap_account(char *s)
{
if (!strcmp(s, "1"))
cgroup_memory_noswap = false;
else if (!strcmp(s, "0"))
cgroup_memory_noswap = true;
bool res;
if (!kstrtobool(s, &res))
cgroup_memory_noswap = !res;
return 1;
}
__setup("swapaccount=", setup_swap_account);