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-rw-r--r--src/svm/ssvm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/svm/ssvm.c b/src/svm/ssvm.c
index dfb68c039ad..c005b61144b 100644
--- a/src/svm/ssvm.c
+++ b/src/svm/ssvm.c
@@ -331,10 +331,11 @@ ssvm_master_init_private (ssvm_private_t * ssvm)
u32 pagesize = clib_mem_get_page_size ();
ssvm_shared_header_t *sh;
mheap_t *heap_header;
- u32 rnd_size = 0;
+ u64 rnd_size = 0;
u8 *heap;
- rnd_size = (ssvm->ssvm_size + (pagesize - 1)) & ~pagesize;
+ rnd_size = (ssvm->ssvm_size + (pagesize - 1)) & ~(pagesize - 1);
+ rnd_size = clib_min (rnd_size, ((u64) 1 << 32) - pagesize);
heap = mheap_alloc (0, rnd_size);
if (heap == 0)
{