diff options
Diffstat (limited to 'cpukit/score/src/heap.c')
| -rw-r--r-- | cpukit/score/src/heap.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/cpukit/score/src/heap.c b/cpukit/score/src/heap.c index ccfb405fb7..b2e82de933 100644 --- a/cpukit/score/src/heap.c +++ b/cpukit/score/src/heap.c @@ -65,11 +65,13 @@ static uint32_t instance = 0; * | size < page_size | * +--------------------------------+ <- end = begin + size * - * This is what a heap looks like after first allocation of SIZE bytes. - * BSIZE stands for SIZE + 4 aligned up on 'page_size' boundary if allocation - * has been performed by _Heap_Allocate(). If allocation has been performed - * by _Heap_Allocate_aligned(), the block size BSIZE is defined differently - * (see 'heapallocatealigned.c' for details). + * Below is what a heap looks like after first allocation of SIZE bytes using + * _Heap_allocate(). BSIZE stands for SIZE + 4 aligned up on 'page_size' + * boundary. + * [NOTE: If allocation were performed by _Heap_Allocate_aligned(), the + * block size BSIZE is defined differently, and previously free block will + * be split so that upper part of it will become used block (see + * 'heapallocatealigned.c' for details).] * * +--------------------------------+ <- begin = starting_address * | unused space due to alignment | |