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Signed-off-by: Pavel Begunkov --- test/send-zerocopy.c | 44 ++++++++++++++++++++++++++++---------------- 1 file changed, 28 insertions(+), 16 deletions(-) diff --git a/test/send-zerocopy.c b/test/send-zerocopy.c index 7135f57c..c8eafe28 100644 --- a/test/send-zerocopy.c +++ b/test/send-zerocopy.c @@ -72,6 +72,7 @@ static struct iovec buffers_iov[__BUF_NR]; static bool has_sendzc; static bool has_sendmsg; static bool hit_enomem; +static bool try_hugepages = 1; static int probe_zc_support(void) { @@ -900,6 +901,15 @@ static int run_basic_tests(void) return 0; } +static void free_buffers(void) +{ + if (tx_buffer) + free(tx_buffer); + if (rx_buffer) + free(rx_buffer); + tx_buffer = rx_buffer = NULL; +} + int main(int argc, char *argv[]) { size_t len; @@ -920,27 +930,29 @@ int main(int argc, char *argv[]) page_sz = sysconf(_SC_PAGESIZE); - len = LARGE_BUF_SIZE; - tx_buffer = aligned_alloc(page_sz, len); - rx_buffer = aligned_alloc(page_sz, len); - if (tx_buffer && rx_buffer) { - buffers_iov[BUF_T_LARGE].iov_base = tx_buffer; - buffers_iov[BUF_T_LARGE].iov_len = len; - } else { - if (tx_buffer) - free(tx_buffer); - if (rx_buffer) - free(rx_buffer); + if (try_hugepages) { + len = LARGE_BUF_SIZE; + tx_buffer = aligned_alloc(page_sz, len); + rx_buffer = aligned_alloc(page_sz, len); - printf("skip large buffer tests, can't alloc\n"); + if (tx_buffer && rx_buffer) { + buffers_iov[BUF_T_LARGE].iov_base = tx_buffer; + buffers_iov[BUF_T_LARGE].iov_len = len; + } else { + printf("skip large buffer tests, can't alloc\n"); + free_buffers(); + } + } + if (!tx_buffer) { len = 2 * page_sz; tx_buffer = aligned_alloc(page_sz, len); rx_buffer = aligned_alloc(page_sz, len); - } - if (!tx_buffer || !rx_buffer) { - fprintf(stderr, "can't allocate buffers\n"); - return T_EXIT_FAIL; + + if (!tx_buffer || !rx_buffer) { + fprintf(stderr, "can't allocate buffers\n"); + return T_EXIT_FAIL; + } } srand((unsigned)time(NULL));