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authorDamjan Marion <damarion@cisco.com>2018-03-04 17:19:08 +0100
committerDamjan Marion <damarion@cisco.com>2018-03-05 11:34:16 +0100
commit1ba0fa4bfa3dcc9bd754b8b0b6a7c5045f9ba0dd (patch)
tree240c195346d726c7833e33b2b12f1648b4dc77d3 /src/vlib/buffer.c
parentd5ded2df0ff06fe9178696657ee53a31f7e4c81c (diff)
vlib: vfio code rework
Change-Id: I99cf3e7cc991aa7d32385a155c707a6516516117 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib/buffer.c')
-rw-r--r--src/vlib/buffer.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/src/vlib/buffer.c b/src/vlib/buffer.c
index 6b20a542ca1..1b975163e62 100644
--- a/src/vlib/buffer.c
+++ b/src/vlib/buffer.c
@@ -564,15 +564,14 @@ vlib_buffer_fill_free_list_internal (vlib_main_t * vm,
n_alloc = 0;
while (n_remaining > 0)
{
- n_this_chunk = clib_min (n_remaining, 16);
+ vlib_buffer_pool_t *bp = &vm->buffer_main->buffer_pools[0];
+ n_this_chunk = clib_min (n_remaining, bp->alloc_chunk_size);
n_bytes = n_this_chunk * (sizeof (b[0]) + fl->n_data_bytes);
/* drb: removed power-of-2 ASSERT */
buffers =
- vm->os_physmem_alloc_aligned (vm,
- vm->buffer_main->
- buffer_pools[0].physmem_region, n_bytes,
+ vm->os_physmem_alloc_aligned (vm, bp->physmem_region, n_bytes,
sizeof (vlib_buffer_t));
if (!buffers)
return n_alloc;
@@ -960,6 +959,7 @@ vlib_buffer_add_physmem_region (vlib_main_t * vm,
p->start = start;
p->size = size;
p->physmem_region = pri;
+ p->alloc_chunk_size = (pr->log2_page_size > 18) ? 16 : 1;
return p - bm->buffer_pools;
}
@@ -1056,6 +1056,8 @@ vlib_buffer_main_init (struct vlib_main_t * vm)
/* allocate default region */
error = vlib_physmem_region_alloc (vm, "buffers",
vlib_buffer_physmem_sz, 0,
+ VLIB_PHYSMEM_F_SHARED |
+ VLIB_PHYSMEM_F_HUGETLB |
VLIB_PHYSMEM_F_INIT_MHEAP, &pri);
if (error == 0)
@@ -1063,13 +1065,13 @@ vlib_buffer_main_init (struct vlib_main_t * vm)
clib_error_free (error);
- /* we my be running unpriviledged, so try to allocate fake physmem */
- error = vlib_physmem_region_alloc (vm, "buffers (fake)",
+ error = vlib_physmem_region_alloc (vm, "buffers",
vlib_buffer_physmem_sz, 0,
- VLIB_PHYSMEM_F_FAKE |
+ VLIB_PHYSMEM_F_SHARED |
VLIB_PHYSMEM_F_INIT_MHEAP, &pri);
done:
- vlib_buffer_add_physmem_region (vm, pri);
+ if (error == 0)
+ vlib_buffer_add_physmem_region (vm, pri);
return error;
}