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(again) Re: fix residual space in memory block

From: Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
To: pgsql-patches <pgsql-patches(at)postgreSQL(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: (again) Re: fix residual space in memory block
Date: 2000-07-05 12:19:11
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches

 Ops, I forget attache file :-) Here is it right.

On Wed, 5 Jul 2000, Karel Zak wrote:
>  Here is the patch that create from residual space in memory block new free 
> chunks. We already discussed about it during 7.0. --- I owe this patch :-)
>  My previous implementation create _one_ chunk only. Now I implement it
> in do{}while, and if residual space is large, it create more free chunks.
> It is better for memory utilize.
>  For example in block is 112b (residual and in current code never used)
>  first new chunk  64 + 8 (header)
>  second new chunk  32 + 8 (header)
>  Tom, is it right?
> 						Karel

Attachment: aset-07052000.patch.gz
Description: application/x-gzip (798 bytes)

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