[PATCH] libcsupport: Have greedy allocations use consume extended memory

[Chris Johns]

On 8/2/21 5:38 pm, Sebastian Huber wrote:
> 
> On 08/02/2021 07:30, chrisj at rtems.org wrote:
>> diff --git a/cpukit/libcsupport/src/rtems_heap_greedy.c
>> b/cpukit/libcsupport/src/rtems_heap_greedy.c
>> index 4dda39873f..2361f17d2e 100644
>> --- a/cpukit/libcsupport/src/rtems_heap_greedy.c
>> +++ b/cpukit/libcsupport/src/rtems_heap_greedy.c
>> @@ -30,8 +30,20 @@ void *rtems_heap_greedy_allocate(
>>     size_t block_count
>>   )
>>   {
>> +  Heap_Control *heap = RTEMS_Malloc_Heap;
>> +  size_t size = 128 * 1024 * 1024;
>>     void *opaque;
>>   +  while (size > 0) {
>> +    opaque = (*rtems_malloc_extend_handler)( heap, size );
>> +    if (opaque == NULL) {
>> +      size >>= 1;
>> +    } else {
>> +      if ( rtems_malloc_dirty_helper != NULL )
>> +    (*rtems_malloc_dirty_helper)( opaque, size );
>> +    }
>> +  }
> You need a couple of more ' ' after and before the braces. Each if should have a
> { }. Apart from the formatting it looks good.

Thanks, I will fix the formatting and push.

And there is no performance issue on hardware so that must be a psim thing.

Chris