Christoph Lameter a écrit :
+ +enum unit_type { FREE, END, USED }; + +static u8 cpu_alloc_map[UNITS_PER_CPU] = { 1, };
You mean END here instead of 1 :)
+/* + * Allocate an object of a certain size + * + * Returns a per cpu pointer that must not be directly used. + */ +static void *cpu_alloc(unsigned long size) +{
We might need to give an alignment constraint here. Some per_cpu users would like to get a 64 bytes zone, siting in one cache line and not two :)
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