Re: Shortcoming in CLOBBER_FREED_MEMORY coverage: disk buffer pointers - Mailing list pgsql-hackers

From Noah Misch
Subject Re: Shortcoming in CLOBBER_FREED_MEMORY coverage: disk buffer pointers
Date
Msg-id 20150125093133.GA3263576@tornado.leadboat.com
Whole thread Raw
In response to Re: Shortcoming in CLOBBER_FREED_MEMORY coverage: disk buffer pointers  (Peter Geoghegan <pg@heroku.com>)
List pgsql-hackers
On Sat, Jan 24, 2015 at 01:48:43PM -0800, Peter Geoghegan wrote:
> On Sat, Jan 24, 2015 at 1:31 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > Another idea is to teach Valgrind that whenever a backend reduces its
> > pin count on a shared buffer to zero, that buffer should become undefined
> > memory.
> 
> That should be fairly straightforward to implement.

+1



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