On 01/04/2017 03:35 PM, Rob Gardner wrote:
> Tags are not cleared at all when memory is freed, but rather, lazily
> (and automatically) cleared when memory is allocated.
What does "allocated" mean in this context? Physical or virtual? What
does this do, for instance?
ptr = malloc(PAGE_SIZE);
set_tag(ptr, 14);
madvise(ptr, PAGE_SIZE, MADV_FREE);
printf("tag: %d\n", get_tag(ptr));
free(ptr);
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