On Sat, Mar 12, 2016 at 8:09 AM, Alexander Kuleshov
<kuleshovmail@gmail.com> wrote:
> Hello all,
>
> Attached patch simplifies the MemoryContextAllocZero() and
> MemoryContextAllocZeroAligned().
> The MemoryContextAllocZero() and MemoryContextAllocZeroAligned()
> functions does almost the
> same that MemoryContextAlloc() does. Additionally these functions
> fills allocated memory context
> with zeros via MemSetAligned() and MemSetLoop(). Let's call
> MemoryContextAlloc() in these functions
> instead of setting isReset to false, call alloc() callback of the
> context and etc., to prevent code duplication.
This code duplication is on purpose. This is a very hot code path and
we want to avoid the overhead of an extra function call.
--
Michael
