[PATCH v2 7/9] net/gve: increase range of DMA memzone ids to 64 bits

[Joshua Washington]

Long running programs can very easily eclipse this 16-bit range, leading
to name collisions and failed DMA region allocations despite there being
plenty of available memory.

Fixes: c9ba2caf6302 ("net/gve/base: add OS-specific implementation")
Cc: stable at dpdk.org
Signed-off-by: Joshua Washington <joshwash at google.com>
Reviewed-by: Jasper Tran O'Leary <jtranoleary at google.com>
---
 drivers/net/gve/base/gve_osdep.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/gve/base/gve_osdep.h b/drivers/net/gve/base/gve_osdep.h
index c47ce4da85..55629a0e1a 100644
--- a/drivers/net/gve/base/gve_osdep.h
+++ b/drivers/net/gve/base/gve_osdep.h
@@ -175,14 +175,14 @@ struct gve_dma_mem {
 static inline void *
 gve_alloc_dma_mem(struct gve_dma_mem *mem, u64 size)
 {
-	static RTE_ATOMIC(uint16_t) gve_dma_memzone_id;
+	static RTE_ATOMIC(uint64_t) gve_dma_memzone_id;
 	const struct rte_memzone *mz = NULL;
 	char z_name[RTE_MEMZONE_NAMESIZE];
 
 	if (!mem)
 		return NULL;
 
-	snprintf(z_name, sizeof(z_name), "gve_dma_%u",
+	snprintf(z_name, sizeof(z_name), "gve_dma_%" PRIu64,
 		 rte_atomic_fetch_add_explicit(&gve_dma_memzone_id, 1, rte_memory_order_relaxed));
 	mz = rte_memzone_reserve_aligned(z_name, size, SOCKET_ID_ANY,
 					 RTE_MEMZONE_IOVA_CONTIG,
-- 
2.55.0.rc0.799.gd6f94ed593-goog