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selftest: split mlock2_ funcs into separate mlock2.h

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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>
This commit is contained in:
Simon Guo 2016-10-07 16:59:43 -07:00 committed by Linus Torvalds
parent b155b4fde5
commit c7f032bbe4
2 changed files with 21 additions and 20 deletions
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21
tools/testing/selftests/vm/mlock2-tests.c
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@ -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;

20
tools/testing/selftests/vm/mlock2.h Normal file
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@ -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
}