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cgroup/misc: Store atomic64_t reads to u64
Change 'new_usage' type to u64 so it can be compared with unsigned 'max' and 'capacity' properly even if the value crosses the signed boundary. Signed-off-by: Haitao Huang <haitao.huang@linux.intel.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -142,7 +142,7 @@ int misc_cg_try_charge(enum misc_res_type type, struct misc_cg *cg, u64 amount)
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struct misc_cg *i, *j;
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struct misc_cg *i, *j;
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int ret;
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int ret;
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struct misc_res *res;
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struct misc_res *res;
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s64 new_usage;
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u64 new_usage;
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if (!(valid_type(type) && cg && READ_ONCE(misc_res_capacity[type])))
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if (!(valid_type(type) && cg && READ_ONCE(misc_res_capacity[type])))
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return -EINVAL;
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return -EINVAL;
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