Re: Can we remove extra memset in BloomInitPage, GinInitPage and SpGistInitPage when we have it in PageInit? - Mailing list pgsql-hackers

From Bharath Rupireddy
Subject Re: Can we remove extra memset in BloomInitPage, GinInitPage and SpGistInitPage when we have it in PageInit?
Date
Msg-id CALj2ACVQaWk89O+=C3HJmX1k-dDMmTm=SjdBSwL04_cVKQeFtw@mail.gmail.com
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In response to Re: Can we remove extra memset in BloomInitPage, GinInitPage and SpGistInitPage when we have it in PageInit?  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
Responses Re: Can we remove extra memset in BloomInitPage, GinInitPage and SpGistInitPage when we have it in PageInit?  (Michael Paquier <michael@paquier.xyz>)
List pgsql-hackers
On Wed, Apr 7, 2021 at 11:47 AM Bharath Rupireddy
<bharath.rupireddyforpostgres@gmail.com> wrote:
>
> On Wed, Apr 7, 2021 at 11:44 AM Michael Paquier <michael@paquier.xyz> wrote:
> >
> > On Wed, Apr 07, 2021 at 06:31:19AM +0530, Bharath Rupireddy wrote:
> > > Setting p->pd_flags = 0; is unnecessary and redundant after memsetting
> > > the page to zeros. Also, see the existing code for pd_prune_xid,
> > > similarly I've done that for pd_flags. I think it's okay with /*
> > > p->pd_flags = 0;        done by above MemSet */.
> >
> > Sure, but this one does not hurt much either as-is, so I have left it
> > out, and applied the rest.
>
> Thanks for pushing the patch.
>
> I wanted to comment out p->pd_flags = 0; in PageInit similar to the
> pd_prune_xid just for consistency.
>     /* p->pd_prune_xid = InvalidTransactionId;        done by above MemSet */

As I said above, just for consistency, I would like to see if the
attached one line patch can be taken, even though it doesn't have any
impact.

With Regards,
Bharath Rupireddy.
EnterpriseDB: http://www.enterprisedb.com

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