SHADOW ALLOCATOR: minor code optimization

Signed-off-by: Sergey Oblomov <sergeyo@mellanox.com>

oshmem/mca/sshmem/ucx/sshmem_ucx.h

@@ -50,9 +50,9 @@ void sshmem_ucx_shadow_destroy(sshmem_ucx_shadow_allocator_t *allocator);
 int sshmem_ucx_shadow_alloc(sshmem_ucx_shadow_allocator_t *allocator,
                             unsigned count, unsigned *index);
 
-/* reallocate existing allocated buffer. if possible - used inplace
+/* Reallocate existing allocated buffer. If possible - used inplace
  * reallocation.
- * parameter 'inplace' - out, in case if zero - new buffer was allocated
+ * Parameter 'inplace' - out, in case if zero - new buffer was allocated
  * (inplace is not possible), user should remove original buffer after data
  * is copied, else (if inplace == 0) - no additional action required */
 int sshmem_ucx_shadow_realloc(sshmem_ucx_shadow_allocator_t *allocator,

oshmem/mca/sshmem/ucx/sshmem_ucx_module.c

@@ -336,7 +336,7 @@ static unsigned sshmem_ucx_memheap_ptr2index(map_segment_t *s, void *ptr)
     return ((char*)ptr - (char*)s->super.va_base) / ALLOC_ELEM_SIZE;
 }
 
-void sshmem_ucx_memheap_wordcopy(void *dst, void *src, size_t size)
+static void sshmem_ucx_memheap_wordcopy(void *dst, void *src, size_t size)
 {
     const size_t count = (size + sizeof(uint64_t) - 1) / sizeof(uint64_t);
     uint64_t *dst64 = (uint64_t*)dst;

oshmem/mca/sshmem/ucx/sshmem_ucx_shadow.c

@@ -128,7 +128,7 @@ int sshmem_ucx_shadow_realloc(sshmem_ucx_shadow_allocator_t *allocator,
         return OSHMEM_SUCCESS;
     }
 
-    if (count < elem->block_size) {
+    if (count < old_count) {
         /* requested block is shorter than allocated block
          * then just cut current buffer */
         sshmem_ucx_shadow_set_elem(elem + count,