Re: [PATCH] Refactoring of LWLock tranches

On Wed, Nov 11, 2015 at 6:50 AM, Ildus Kurbangaliev
<i.kurbangaliev@postgrespro.ru> wrote:
> Attached a new version of the patch that moves SLRU tranches and LWLocks to
> SLRU control structs.
>
> `buffer_locks` field now contains LWLocks itself, so we have some economy of
> the memory here. `pstrdup` removed in SimpleLruInit. I didn't
> change names from the previous patch yet, but I don't mind if they'll
> be changed.

I've committed this with some modifications.  I did a little bit of
renaming, and I stored a copy of the SLRU name in shared memory.
Otherwise, we're relying on the fact that a static string will be at
the same backend-private address in every process, which is a
dangerous assumption at best.

-- 
Robert Haas
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