Re: A patch for xlog.c - Mailing list pgsql-patches

From Bruce Momjian
Subject Re: A patch for xlog.c
Date
Msg-id 200102271636.LAA16214@candle.pha.pa.us
Whole thread Raw
In response to Re: A patch for xlog.c  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: A patch for xlog.c
Re: A patch for xlog.c
List pgsql-patches
> The Hermit Hacker writes:
>
> > > Yea, it is pretty low priority, especially since most OS's don't support
> > > ANON mmap().  Most BSD's support it, but I don't think Linux or others
> > > do.
> >
> > ah, then not a low priority, a non-starter, period ... maybe when all the
> > OSs we support move to supporting ANON mmap() :(
>
> It would be worthwhile for those operating systems that don't have SysV
> shared memory but do have mmap().  But I don't have one of those, so I
> ain't gonna do it.  ;-)

All have SysV memory.  mmap() usage is only useful in enabling larger
buffers without kernel changes.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

pgsql-patches by date:

Previous
From: Peter Eisentraut
Date:
Subject: Re: A patch for xlog.c
Next
From: Matthew Kirkwood
Date:
Subject: Re: A patch for xlog.c