On Fri, Dec 11, 2020 at 11:00:58AM +0900, Kyotaro Horiguchi wrote: > Although we could just rip some words off, I'd like to propose instead > to add an explanation why it is not exposed for anonymous allocations, > like the column allocated_size.
Indeed, there is a hiccup between what the code does and what the docs tell: the offset is not NULL for unused memory. > - The offset at which the allocation starts. NULL for anonymous > - allocations and unused memory. > + The offset at which the allocation starts. For anonymous allocations, > + no information about individual allocations is available, so the > column > + will be NULL in that case. I'd say: let's be simple and just remove "and unused memory" because anonymous allocations are... Anonymous so you cannot know details related to them. That's something easy to reason about, and the docs were written originally to remain simple. -- Michael
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