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| author |   Simon Guo <wei.guo.simon@gmail.com> | 2016-10-07 16:59:43 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-07 18:46:28 -0700 |
| commit | c7f032bbe4cacb57e49d5c48bf06de8dc28a449f (patch) | |
| tree | 17ef7645fa23703a9de33b3b413d755eb6c17f27 /tools/testing | |
| parent | mm: mlock: avoid increase mm->locked_vm on mlock() when already mlock2(,MLOCK_ONFAULT) (diff) | |
| download | wireguard-linux-c7f032bbe4cacb57e49d5c48bf06de8dc28a449f.tar.xz wireguard-linux-c7f032bbe4cacb57e49d5c48bf06de8dc28a449f.zip | |
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/testing')
| -rw-r--r-- | tools/testing/selftests/vm/mlock2-tests.c | 21 | ||||
| -rw-r--r-- | tools/testing/selftests/vm/mlock2.h | 20 |
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 +} |