linux-kernel - [PATCH 04/16] mm/hmm: fix test timeout on slower machines

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Date:   Fri, 19 Jun 2020 14:56:37 -0700
From:   Ralph Campbell <rcampbell@...dia.com>
To:     <nouveau@...ts.freedesktop.org>, <linux-rdma@...r.kernel.org>,
        <linux-mm@...ck.org>, <linux-kselftest@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Jerome Glisse <jglisse@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        Christoph Hellwig <hch@....de>,
        Jason Gunthorpe <jgg@...lanox.com>,
        "Ben Skeggs" <bskeggs@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>,
        Ralph Campbell <rcampbell@...dia.com>
Subject: [PATCH 04/16] mm/hmm: fix test timeout on slower machines

The HMM self test "migrate_multiple" can timeout on slower machines.
Lower the number of loop iterations to fix this.

Signed-off-by: Ralph Campbell <rcampbell@...dia.com>
---
 tools/testing/selftests/vm/hmm-tests.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vm/hmm-tests.c b/tools/testing/selftests/vm/hmm-tests.c
index 79db22604019..bdfa95ac9a7d 100644
--- a/tools/testing/selftests/vm/hmm-tests.c
+++ b/tools/testing/selftests/vm/hmm-tests.c
@@ -45,7 +45,7 @@ struct hmm_buffer {
 #define TWOMEG		(1 << 21)
 #define HMM_BUFFER_SIZE (1024 << 12)
 #define HMM_PATH_MAX    64
-#define NTIMES		256
+#define NTIMES		50
 
 #define ALIGN(x, a) (((x) + (a - 1)) & (~((a) - 1)))
 
-- 
2.20.1