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From: wei.guo.simon@gmail.com
To: linux-mm@kvack.org
Cc: Alexey Klimov <klimov.linux@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Eric B Munson <emunson@akamai.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	Mel Gorman <mgorman@techsingularity.net>,
	Michal Hocko <mhocko@suse.com>, Shuah Khan <shuah@kernel.org>,
	Simon Guo <wei.guo.simon@gmail.com>,
	Thierry Reding <treding@nvidia.com>,
	Vlastimil Babka <vbabka@suse.cz>
Subject: [PATCH 3/4] selftest: split mlock2_ funcs into separate mlock2.h
Date: Tue, 30 Aug 2016 18:59:40 +0800	[thread overview]
Message-ID: <1472554781-9835-4-git-send-email-wei.guo.simon@gmail.com> (raw)
In-Reply-To: <1472554781-9835-1-git-send-email-wei.guo.simon@gmail.com>

From: Simon Guo <wei.guo.simon@gmail.com>

To prepare mlock2.h whose functionality will be reused.

Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
 tools/testing/selftests/vm/mlock2-tests.c | 21 +--------------------
 tools/testing/selftests/vm/mlock2.h       | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 20 deletions(-)
 create mode 100644 tools/testing/selftests/vm/mlock2.h

diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
index 02ca5e0..7cb13ce 100644
--- a/tools/testing/selftests/vm/mlock2-tests.c
+++ b/tools/testing/selftests/vm/mlock2-tests.c
@@ -7,27 +7,8 @@
 #include <string.h>
 #include <sys/time.h>
 #include <sys/resource.h>
-#include <syscall.h>
-#include <errno.h>
 #include <stdbool.h>
-
-#ifndef MLOCK_ONFAULT
-#define MLOCK_ONFAULT 1
-#endif
-
-#ifndef MCL_ONFAULT
-#define MCL_ONFAULT (MCL_FUTURE << 1)
-#endif
-
-static int mlock2_(void *start, size_t len, int flags)
-{
-#ifdef __NR_mlock2
-	return syscall(__NR_mlock2, start, len, flags);
-#else
-	errno = ENOSYS;
-	return -1;
-#endif
-}
+#include "mlock2.h"
 
 struct vm_boundaries {
 	unsigned long start;
diff --git a/tools/testing/selftests/vm/mlock2.h b/tools/testing/selftests/vm/mlock2.h
new file mode 100644
index 0000000..b9c6d9f
--- /dev/null
+++ b/tools/testing/selftests/vm/mlock2.h
@@ -0,0 +1,20 @@
+#include <syscall.h>
+#include <errno.h>
+
+#ifndef MLOCK_ONFAULT
+#define MLOCK_ONFAULT 1
+#endif
+
+#ifndef MCL_ONFAULT
+#define MCL_ONFAULT (MCL_FUTURE << 1)
+#endif
+
+static int mlock2_(void *start, size_t len, int flags)
+{
+#ifdef __NR_mlock2
+	return syscall(__NR_mlock2, start, len, flags);
+#else
+	errno = ENOSYS;
+	return -1;
+#endif
+}
-- 
1.8.3.1

WARNING: multiple messages have this Message-ID (diff)
From: wei.guo.simon@gmail.com
To: linux-mm@kvack.org
Cc: Alexey Klimov <klimov.linux@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Eric B Munson <emunson@akamai.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	Mel Gorman <mgorman@techsingularity.net>,
	Michal Hocko <mhocko@suse.com>, Shuah Khan <shuah@kernel.org>,
	Simon Guo <wei.guo.simon@gmail.com>,
	Thierry Reding <treding@nvidia.com>,
	Vlastimil Babka <vbabka@suse.cz>
Subject: [PATCH 3/4] selftest: split mlock2_ funcs into separate mlock2.h
Date: Tue, 30 Aug 2016 18:59:40 +0800	[thread overview]
Message-ID: <1472554781-9835-4-git-send-email-wei.guo.simon@gmail.com> (raw)
In-Reply-To: <1472554781-9835-1-git-send-email-wei.guo.simon@gmail.com>

From: Simon Guo <wei.guo.simon@gmail.com>

To prepare mlock2.h whose functionality will be reused.

Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
 tools/testing/selftests/vm/mlock2-tests.c | 21 +--------------------
 tools/testing/selftests/vm/mlock2.h       | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 20 deletions(-)
 create mode 100644 tools/testing/selftests/vm/mlock2.h

diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
index 02ca5e0..7cb13ce 100644
--- a/tools/testing/selftests/vm/mlock2-tests.c
+++ b/tools/testing/selftests/vm/mlock2-tests.c
@@ -7,27 +7,8 @@
 #include <string.h>
 #include <sys/time.h>
 #include <sys/resource.h>
-#include <syscall.h>
-#include <errno.h>
 #include <stdbool.h>
-
-#ifndef MLOCK_ONFAULT
-#define MLOCK_ONFAULT 1
-#endif
-
-#ifndef MCL_ONFAULT
-#define MCL_ONFAULT (MCL_FUTURE << 1)
-#endif
-
-static int mlock2_(void *start, size_t len, int flags)
-{
-#ifdef __NR_mlock2
-	return syscall(__NR_mlock2, start, len, flags);
-#else
-	errno = ENOSYS;
-	return -1;
-#endif
-}
+#include "mlock2.h"
 
 struct vm_boundaries {
 	unsigned long start;
diff --git a/tools/testing/selftests/vm/mlock2.h b/tools/testing/selftests/vm/mlock2.h
new file mode 100644
index 0000000..b9c6d9f
--- /dev/null
+++ b/tools/testing/selftests/vm/mlock2.h
@@ -0,0 +1,20 @@
+#include <syscall.h>
+#include <errno.h>
+
+#ifndef MLOCK_ONFAULT
+#define MLOCK_ONFAULT 1
+#endif
+
+#ifndef MCL_ONFAULT
+#define MCL_ONFAULT (MCL_FUTURE << 1)
+#endif
+
+static int mlock2_(void *start, size_t len, int flags)
+{
+#ifdef __NR_mlock2
+	return syscall(__NR_mlock2, start, len, flags);
+#else
+	errno = ENOSYS;
+	return -1;
+#endif
+}
-- 
1.8.3.1

--
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  parent reply	other threads:[~2016-08-30 11:00 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-30 10:59 [PATCH 0/4] mm: mlock: fix some locked_vm counting issues wei.guo.simon
2016-08-30 10:59 ` wei.guo.simon
2016-08-30 10:59 ` [PATCH 1/4] mm: mlock: check against vma for actual mlock() size wei.guo.simon
2016-08-30 10:59   ` wei.guo.simon
2016-08-30 11:35   ` Kirill A. Shutemov
2016-08-30 11:35     ` Kirill A. Shutemov
2016-08-30 10:59 ` [PATCH 2/4] mm: mlock: avoid increase mm->locked_vm on mlock() when already mlock2(,MLOCK_ONFAULT) wei.guo.simon
2016-08-30 10:59   ` wei.guo.simon
2016-08-30 11:36   ` Kirill A. Shutemov
2016-08-30 11:36     ` Kirill A. Shutemov
2016-08-30 10:59 ` wei.guo.simon [this message]
2016-08-30 10:59   ` [PATCH 3/4] selftest: split mlock2_ funcs into separate mlock2.h wei.guo.simon
2016-08-30 10:59 ` [PATCH 4/4] selftests/vm: add test for mlock() when areas are intersected wei.guo.simon
2016-08-30 10:59   ` wei.guo.simon
2016-08-31 23:14   ` David Rientjes
2016-08-31 23:14     ` David Rientjes
2016-09-01  7:14     ` Simon Guo
2016-09-01  7:14       ` Simon Guo

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