mem: mark unused function in 32-bit builds

The get_socket_mem_size() function is only used in 64-bit builds,
causing clang to warn about it for 32-bit builds. Add the __rte_unused
attribute to the function to silence the warning.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>

diff --git a/lib/librte_eal/linux/eal/eal_memory.c b/lib/librte_eal/linux/eal/eal_memory.c
index 40a0f68..1853ace 100644 (file)
--- a/lib/librte_eal/linux/eal/eal_memory.c
+++ b/lib/librte_eal/linux/eal/eal_memory.c
@@ -1088,6 +1088,7 @@ remap_needed_hugepages(struct hugepage_file *hugepages, int n_pages)
        return 0;
 }
 
+__rte_unused /* function is unused on 32-bit builds */
 static inline uint64_t
 get_socket_mem_size(int socket)
 {