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session: improve fifo segment allocation
[vpp.git]
/
src
/
vnet
/
session
/
segment_manager.c
diff --git
a/src/vnet/session/segment_manager.c
b/src/vnet/session/segment_manager.c
index
e04f626
..
a55f7d3
100644
(file)
--- a/
src/vnet/session/segment_manager.c
+++ b/
src/vnet/session/segment_manager.c
@@
-119,6
+119,12
@@
segment_manager_add_segment_inline (segment_manager_t *sm, uword segment_size,
* Allocate ssvm segment
*/
segment_size = segment_size ? segment_size : props->add_segment_size;
* Allocate ssvm segment
*/
segment_size = segment_size ? segment_size : props->add_segment_size;
+ /* add overhead to ensure the result segment size is at least
+ * of that requested */
+ segment_size +=
+ sizeof (fifo_segment_header_t) +
+ vlib_thread_main.n_vlib_mains * sizeof (fifo_segment_slice_t) +
+ FIFO_SEGMENT_ALLOC_OVERHEAD;
segment_size = round_pow2 (segment_size, clib_mem_get_page_size ());
if (props->segment_type != SSVM_SEGMENT_PRIVATE)
segment_size = round_pow2 (segment_size, clib_mem_get_page_size ());
if (props->segment_type != SSVM_SEGMENT_PRIVATE)