Horton

Re: define pg_structiszero(addr, s, r)

Peter Smith <smithpb2250@gmail.com>

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From: Peter Smith <smithpb2250@gmail.com>
To: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Cc: Peter Eisentraut <peter@eisentraut.org>, Heikki Linnakangas <hlinnaka@iki.fi>, pgsql-hackers@lists.postgresql.org
Date: 2024-10-30T20:55:45Z
Lists: pgsql-hackers 
+/*
+ * Test if a memory region starting at p and of size len is full of zeroes.
+ */
+static inline bool
+pg_mem_is_all_zeros(const void *ptr, size_t len)

The function comment should say 'ptr' instead of 'p', right?

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Kind Regards,
Peter Smith.
Fujitsu Australia

Commits

  1. Use pg_memory_is_all_zeros() in PageIsVerifiedExtended()

  2. Optimize pg_memory_is_all_zeros() in memutils.h

  3. Remove use of pg_memory_is_all_zeros() in bufpage.c

  4. Add pg_memory_is_all_zeros() in memutils.h