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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-10 20:46:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-10 20:46:45 -0800 |
| commit | 6a177af775d92cff7ef36a681c304dc750dbe121 (patch) | |
| tree | bddde274e76b662d646ece545f6057c3211e4103 /tools/testing/selftests/vm | |
| parent | ae36ce07abbdde3521dc0ef7e32143b88718cd21 (diff) | |
| parent | 3b5bab390181968e403886a45c70f9c13b5b6d29 (diff) | |
Merge tag 'linux-kselftest-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
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
Diffstat (limited to 'tools/testing/selftests/vm')
| -rwxr-xr-x | tools/testing/selftests/vm/run_vmtests | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests index 2df21b3bb26d..e11968b3677e 100755 --- a/tools/testing/selftests/vm/run_vmtests +++ b/tools/testing/selftests/vm/run_vmtests @@ -20,13 +20,26 @@ done < /proc/meminfo if [ -n "$freepgs" ] && [ -n "$pgsize" ]; then nr_hugepgs=`cat /proc/sys/vm/nr_hugepages` needpgs=`expr $needmem / $pgsize` - if [ $freepgs -lt $needpgs ]; then + tries=2 + while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do lackpgs=$(( $needpgs - $freepgs )) + echo 3 > /proc/sys/vm/drop_caches echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages if [ $? -ne 0 ]; then echo "Please run this test as root" exit 1 fi + while read name size unit; do + if [ "$name" = "HugePages_Free:" ]; then + freepgs=$size + fi + done < /proc/meminfo + tries=$((tries - 1)) + done + if [ $freepgs -lt $needpgs ]; then + printf "Not enough huge pages available (%d < %d)\n" \ + $freepgs $needpgs + exit 1 fi else echo "no hugetlbfs support in kernel?" |