Re: SlabCheck leaks memory into TopMemoryContext
| От | Tomas Vondra |
|---|---|
| Тема | Re: SlabCheck leaks memory into TopMemoryContext |
| Дата | |
| Msg-id | 20200116202128.m7b76msbd5d6asmi@development обсуждение исходный текст |
| Ответ на | Re: SlabCheck leaks memory into TopMemoryContext (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-hackers |
On Thu, Jan 16, 2020 at 03:15:41PM -0500, Tom Lane wrote: >Tomas Vondra <tomas.vondra@2ndquadrant.com> writes: >> I think the one possible argument against this approach might be that it >> adds a field to the struct, so if you have an extension using a Slab >> context, it'll break if you don't rebuild it. But that only matters if >> we want to backpatch it (which I think is not the plan) and with memory >> context checking enabled (which does not apply to regular packages). > >Huh? That struct is private in slab.c, no? Any outside code relying >on its contents deserves to break. > Ah, right. Silly me. >I do think we ought to back-patch this, given the horrible results >Andres showed. > OK. -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
В списке pgsql-hackers по дате отправления: