17 lines
222 B
C

#include <memory.h>
uintptr_t *first = 0;
void pmm_free(void *c)
{
*(uintptr_t *)c = (uintptr_t)first;
first = c;
}
void *pmm_alloc()
{
void *c = first;
first = (uintptr_t *)(c?*(uintptr_t *)c:0);
return c;
}