linux-toradex.git/tools/testing/selftests/vm, branch v4.8-rc6

selftests/vm: Don't mlockall MCL_CURRENT in on-fault-limit test

2016-06-27T19:19:24+00:00

The default MEMLOCK limit is not big enough to accomodate all the
current pages of the test program process, so the test fails
at this step.
By removing the MCL_CURRENT flag, we allow the mlockall
call to succeed. The mmap is twice the size of the current limit,
so it will still fail as expected.

Signed-off-by: Yannick Brosseau 
Signed-off-by: Shuah Khan

selftests/vm: write strlen length instead of sizeof to nr_hugepages

2016-06-27T19:18:26+00:00

When setting back the initial value to nr_hugepages, the
test was writing a length sizeof of the string and checking
that strlen was writen. Since those values are not the same,
use strlen in both place instead.

Also make the error messages more explicit to help in future
debugging.

Signed-off-by: Yannick Brosseau 
Signed-off-by: Shuah Khan

selftests/thuge-gen: Use platform specific MAP_HUGETLB value

2016-05-22T19:43:41+00:00

Do not hardcode MAP_HUGETLB to 0x40000, since quite some architectures
use a different value.

Tested with a parisc architecture 64bit kernel.

Signed-off-by: Helge Deller

selftests: create test-specific kconfig fragments

2016-02-25T16:47:52+00:00

Create the config file in each directory of testcase which need
more kernel configuration than the default defconfig. User could
use these configs with merge_config.sh script:

Enable config for specific testcase:
(export ARCH=xxx #for cross compiling)
./scripts/kconfig/merge_config.sh .config \
		tools/testing/selftests/xxx/config

Enable configs for all testcases:
(export ARCH=xxx #for cross compiling)
./scripts/kconfig/merge_config.sh .config \
		tools/testing/selftests/*/config

Signed-off-by: Bamvor Jian Zhang 
Reviewed-by: Shuah Khan 
Signed-off-by: Shuah Khan

update .gitignore in selftests/vm

2016-01-07T20:37:41+00:00

Signed-off-by: Yuan Sun 
Signed-off-by: Shuah Khan

Merge branch 'akpm' (patches from Andrew)

2015-11-11T05:14:23+00:00

Merge final patch-bomb from Andrew Morton:
 "Various leftovers, mainly Christoph's pci_dma_supported() removals"

* emailed patches from Andrew Morton :
  pci: remove pci_dma_supported
  usbnet: remove ifdefed out call to dma_supported
  kaweth: remove ifdefed out call to dma_supported
  sfc: don't call dma_supported
  nouveau: don't call pci_dma_supported
  netup_unidvb: use pci_set_dma_mask insted of pci_dma_supported
  cx23885: use pci_set_dma_mask insted of pci_dma_supported
  cx25821: use pci_set_dma_mask insted of pci_dma_supported
  cx88: use pci_set_dma_mask insted of pci_dma_supported
  saa7134: use pci_set_dma_mask insted of pci_dma_supported
  saa7164: use pci_set_dma_mask insted of pci_dma_supported
  tw68-core: use pci_set_dma_mask insted of pci_dma_supported
  pcnet32: use pci_set_dma_mask insted of pci_dma_supported
  lib/string.c: add ULL suffix to the constant definition
  hugetlb: trivial comment fix
  selftests/mlock2: add ULL suffix to 64-bit constants
  selftests/mlock2: add missing #define _GNU_SOURCE

Merge tag 'linux-kselftest-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

2015-11-11T04:46:45+00:00

Pull kselftest updates from Shuah Khan:
 "This 12 patch update for 4.4-rc1 consists of a new pstore test and
  fixes to existing tests"

* tag 'linux-kselftest-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: breakpoint: Actually build it
  selftests: vm: Try harder to allocate huge pages
  selftests: Make scripts executable
  selftests: kprobe: Choose an always-defined function to probe
  selftests: memfd: Stop unnecessary rebuilds
  selftests: Add missing #include directives
  selftests/seccomp: Be more precise with syscall arguments.
  selftests/seccomp: build and pass on arm64
  selftests: memfd_test: Revised STACK_SIZE to make it 16-byte aligned
  selftests/pstore: add pstore test scripts going with reboot
  selftests/pstore: add pstore test script for pre-reboot
  selftests: add .gitignore for efivarfs

selftests/mlock2: add ULL suffix to 64-bit constants

2015-11-11T00:32:11+00:00

On 32-bit (e.g. m68k):

    mlock2-tests.c: In function 'lock_check':
    mlock2-tests.c:293: warning: integer constant is too large for 'long' type
    mlock2-tests.c:294: warning: integer constant is too large for 'long' type
    mlock2-tests.c:299: warning: integer constant is too large for 'long' type
    ...

Signed-off-by: Geert Uytterhoeven 
Acked-by: Eric B Munson 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

selftests/mlock2: add missing #define _GNU_SOURCE

2015-11-11T00:32:11+00:00

On glibc 2.3.6:

    mlock2-tests.c: In function 'seek_to_smaps_entry':
    mlock2-tests.c:158: warning: implicit declaration of function 'getline'

According to the manpage of getline(), it needs _GNU_SOURCE before glibc
2.10.

Signed-off-by: Geert Uytterhoeven 
Acked-by: Eric B Munson 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

selftests: vm: add tests for lock on fault

2015-11-06T03:34:48+00:00

Test the mmap() flag, and the mlockall() flag.  These tests ensure that
pages are not faulted in until they are accessed, that the pages are
unevictable once faulted in, and that VMA splitting and merging works with
the new VM flag.  The second test ensures that mlock limits are respected.
 Note that the limit test needs to be run a normal user.

Also add tests to use the new mlock2 family of system calls.

[treding@nvidia.com: : Fix mlock2-tests for 32-bit architectures]
[treding@nvidia.com: ensure the mlock2 syscall number can be found]
[treding@nvidia.com: use the right arguments for main()]
Signed-off-by: Eric B Munson 
Cc: Shuah Khan 
Cc: Michal Hocko 
Cc: Vlastimil Babka 
Cc: Jonathan Corbet 
Cc: Catalin Marinas 
Cc: Geert Uytterhoeven 
Cc: Guenter Roeck 
Cc: Heiko Carstens 
Cc: Kirill A. Shutemov 
Cc: Michael Kerrisk 
Cc: Ralf Baechle 
Cc: Stephen Rothwell 
Signed-off-by: Thierry Reding 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds