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authorSimon Guo <wei.guo.simon@gmail.com>2016-10-08 01:59:43 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-08 03:46:28 +0200
commitc7f032bbe4cacb57e49d5c48bf06de8dc28a449f (patch)
tree17ef7645fa23703a9de33b3b413d755eb6c17f27 /tools
parentmm: mlock: avoid increase mm->locked_vm on mlock() when already mlock2(,MLOCK... (diff)
downloadlinux-c7f032bbe4cacb57e49d5c48bf06de8dc28a449f.tar.xz
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selftest: split mlock2_ funcs into separate mlock2.h
To prepare mlock2.h whose functionality will be reused. Link: http://lkml.kernel.org/r/1472554781-9835-4-git-send-email-wei.guo.simon@gmail.com Signed-off-by: Simon Guo <wei.guo.simon@gmail.com> Cc: Alexey Klimov <klimov.linux@gmail.com> Cc: Eric B Munson <emunson@akamai.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Michal Hocko <mhocko@suse.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Simon Guo <wei.guo.simon@gmail.com> Cc: Thierry Reding <treding@nvidia.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/vm/mlock2-tests.c21
-rw-r--r--tools/testing/selftests/vm/mlock2.h20
2 files changed, 21 insertions, 20 deletions
diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
index 02ca5e0177c5..7cb13cede483 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 000000000000..b9c6d9fe372f
--- /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
+}