Re: [patch 3/4] net: Percpufy frequently used variables --proto.sockets_allocated

[Andrew Morton]

Andrew Morton <akpm@xxxxxxxx> wrote:
>
> Oh, and because vm_acct_memory() is counting a singleton object, it can use
> DEFINE_PER_CPU rather than alloc_percpu(), so it saves on a bit of kmalloc
> overhead.

Actually, I don't think that's true.  we're allocating a sizeof(long) with
kmalloc_node() so there shouldn't be memory wastage.

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