Ravikiran G Thirumalai <[email protected]> wrote:
>
> --- linux-2.6.16-rc5mm3.orig/include/net/sock.h 2006-03-07 15:09:22.000000000 -0800
> +++ linux-2.6.16-rc5mm3/include/net/sock.h 2006-03-07 15:09:52.000000000 -0800
> @@ -543,7 +543,7 @@ struct proto {
> /* Memory pressure */
> void (*enter_memory_pressure)(void);
> struct percpu_counter *memory_allocated; /* Current allocated memory. */
> - atomic_t *sockets_allocated; /* Current number of sockets. */
> + int *sockets_allocated; /* Current number of sockets (percpu counter). */
>
> /*
> * Pressure flag: try to collapse.
> @@ -579,6 +579,24 @@ struct proto {
> } stats[NR_CPUS];
> };
>
> +static inline int read_sockets_allocated(struct proto *prot)
> +{
> + int total = 0;
> + int cpu;
> + for_each_cpu(cpu)
> + total += *per_cpu_ptr(prot->sockets_allocated, cpu);
> + return total;
> +}
This is likely too big to be inlined, plus sock.h doesn't include enough
headers to reliably compile this code.
> +static inline void mod_sockets_allocated(int *sockets_allocated, int count)
> +{
> + (*per_cpu_ptr(sockets_allocated, get_cpu())) += count;
> + put_cpu();
> +}
> +
Ditto.
-
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