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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