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Improve efficiency of memory allocation when the memory block is already aligned correctly.

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This commit is contained in:
Richard Barry 2013-06-25 12:20:29 +00:00
parent 87049ac37c
commit fb47260e80
2 changed files with 2 additions and 2 deletions
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2
FreeRTOS/Source/portable/MemMang/heap_4.c
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@ -129,7 +129,7 @@ static void prvHeapInit( void );
/* The size of the structure placed at the beginning of each allocated memory
block must by correctly byte aligned. */
static const unsigned short heapSTRUCT_SIZE = ( sizeof( xBlockLink ) + portBYTE_ALIGNMENT - ( sizeof( xBlockLink ) % portBYTE_ALIGNMENT ) );
static const unsigned short heapSTRUCT_SIZE = ( ( sizeof ( xBlockLink ) + ( portBYTE_ALIGNMENT - 1 ) ) & ~portBYTE_ALIGNMENT_MASK );
/* Ensure the pxEnd pointer will end up on the correct byte alignment. */
static const size_t xTotalHeapSize = ( ( size_t ) configADJUSTED_HEAP_SIZE ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );