Ravikiran G Thirumalai <[email protected]> wrote:
>
> - if (atomic_read(sk->sk_prot->memory_allocated) < sk->sk_prot->sysctl_mem[0]) {
> + if (percpu_counter_read(sk->sk_prot->memory_allocated) <
> + sk->sk_prot->sysctl_mem[0]) {
Bear in mind that percpu_counter_read[_positive] can be inaccurate on large
CPU counts.
It might be worth running percpu_counter_sum() to get the exact count if we
think we're about to cause something to fail.
-
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