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| author |   Filip Tehlar <ftehlar@cisco.com> | 2021-11-24 10:30:59 +0000 |
|---|---|---|
| committer | Filip Tehlar <ftehlar@cisco.com> | 2021-11-24 19:48:52 +0000 |
| commit | 2711ca710affe0c52bf63e08e0cf0588094e6198 (patch) | |
| tree | 14226994c19666bef5b3c25826ee84f9935cf6ba /src/vnet | |
| parent | 32c7335ea9da8470041be2f155afba77985809db (diff) | |
session: improve fifo segment allocation
This patch ensures that fifo segment has at least the size that was
requested during allocation.
Type: improvement
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Change-Id: Iea8a885ac290183e25e5c8f9163bba226c5efa15
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/session/segment_manager.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c index e04f626eab2..a55f7d3472c 100644 --- 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; + /* 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) |