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-rw-r--r--src/vlib/linux/physmem.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vlib/linux/physmem.c b/src/vlib/linux/physmem.c
index b5f84ecc8a4..161dbf5c0c7 100644
--- a/src/vlib/linux/physmem.c
+++ b/src/vlib/linux/physmem.c
@@ -85,8 +85,8 @@ unix_physmem_alloc_aligned (vlib_main_t * vm, vlib_physmem_region_index_t idx,
/* Make sure allocation does not span DMA physical chunk boundary. */
hi_offset = lo_offset + n_bytes - 1;
- if ((lo_offset >> pr->log2_page_size) ==
- (hi_offset >> pr->log2_page_size))
+ if (((pointer_to_uword (pr->heap) + lo_offset) >> pr->log2_page_size) ==
+ ((pointer_to_uword (pr->heap) + hi_offset) >> pr->log2_page_size))
break;
/* Allocation would span chunk boundary, queue it to be freed as soon as