RFR: 8270179: Rename Amalloc_4

[Coleen Phillimore]

On Mon, 12 Jul 2021 05:20:44 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> This renames Amalloc_4 to AmallocWords.  While I had to fix internal_malloc_4, which is a copy of Amalloc_4 (except with UseMallocOnly handling), I also made the change for
>> JDK-8270217 Fix Arena::Amalloc to check for overflow better
>> Tested with tier1 - all Oracle platforms and tier1-3 on linux-x64.
>
> src/hotspot/share/memory/arena.hpp line 105:
> 
>> 103:   debug_only(void* malloc(size_t size);)
>> 104: 
>> 105:   void* internal_malloc_words(size_t x, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM)  {
> 
> If UseMallocOnly is retained, I think a better name for this would be internal_amalloc_only, to avoid confusion with the case of actually using malloc.  (And yes, this can be taken as another argument for nuking that option.)

Ok.  I'll file another RFE for removing UseMallocOnly.

-------------

PR: https://git.openjdk.java.net/jdk/pull/4750