[PATCH v3 7/7] selftests/mm: Skip hugepage-mremap test if userfaultfd unavailable

: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0 ~ [SKIP] ok 4 hugepage-mremap # SKIP Acked-by: David Hildenbrand Reviewed-by: Zi Yan Co-developed-by: Donet Tom Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/hugepage-mremap.c | 16 +--- 1 file

[PATCH v3 6/7] selftests/mm: Skip thuge-gen test if system is not setup properly

increase shmmax: ~ ~ echo 262144 > /proc/sys/kernel/shmmax ~ 1..0 ~ SKIP Test skipped due to insufficient shmmax value. ~ [SKIP] ok 29 thuge-gen ~ SKIP Reviewed-by: Dev Jain Acked-by: David Hildenbrand Reviewed-by: Zi Yan Co-developed-by: Donet Tom Signed-off-by: Donet Tom Signed-off-

[PATCH v3 5/7] selftests/mm: Fix child process exit codes in ksm_functional_tests

Donet Tom Signed-off-by: Aboorva Devarajan --- .../testing/selftests/mm/ksm_functional_tests.c | 16 +--- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 99

[PATCH v3 4/7] mm/selftests: Fix split_huge_page_test failure on systems with 64KB page size

page size systems. Fixes: fa6c02315f745 ("mm: huge_memory: a new debugfs interface for splitting THP tests") Reviewed-by: Dev Jain Reviewed-by: Zi Yan Co-developed-by: Aboorva Devarajan Signed-off-by: Aboorva Devarajan Signed-off-by: Donet Tom --- .../selftests/mm/split_huge_pa

[PATCH v3 3/7] selftest/mm: Fix ksm_funtional_test failures

ksm fork/exec") Co-developed-by: Aboorva Devarajan Signed-off-by: Aboorva Devarajan Signed-off-by: Donet Tom --- tools/testing/selftests/mm/ksm_functional_tests.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/ksm_functional

[PATCH v3 2/7] selftests/mm: Add support to test 4PB VA on PPC64

address. Reviewed-by: Dev Jain Acked-by: David Hildenbrand Reviewed-by: Zi Yan Co-developed-by: Aboorva Devarajan Signed-off-by: Aboorva Devarajan Signed-off-by: Donet Tom --- tools/testing/selftests/mm/virtual_address_range.c | 11 +++ 1 file changed, 11 insertions(+) diff --git a

[PATCH v3 1/7] mm/selftests: Fix incorrect pointer being passed to mark_range()

) Reviewed-by: Dev Jain Acked-by: David Hildenbrand Reviewed-by: Zi Yan Co-developed-by: Aboorva Devarajan Signed-off-by: Aboorva Devarajan Signed-off-by: Donet Tom --- tools/testing/selftests/mm/virtual_address_range.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/too

[PATCH v3 0/7] selftests/mm: Fix false positives and skip unsupported tests

failing userfaultfd test when unsupported, instead of reporting a failure. --- Please let us know if you have any further comments. Thanks, Aboorva Aboorva Devarajan (3): selftests/mm: Fix child process exit codes in ksm_functional_tests selftests/mm: Skip thuge-gen test if system i

[PATCH v2 7/7] selftests/mm: Skip hugepage-mremap test if userfaultfd unavailable

: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0 ~ [SKIP] ok 4 hugepage-mremap # SKIP Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/hugepage-mremap.c | 16 +--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/hugepage-mremap.c b

[PATCH v2 6/7] selftests/mm: Skip thuge-gen if shmmax is too small or no 1G huge pages

increase shmmax: ~ ~ echo 262144 > /proc/sys/kernel/shmmax ~ 1..0 ~ SKIP Test skipped due to insufficient shmmax value. ~ [SKIP] ok 29 thuge-gen ~ SKIP Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/thuge-gen.c | 11 +++ 1 file changed, 7 insertions(+), 4 deletions(-)

[PATCH v2 5/7] selftests/mm: Fix child process exit codes in ksm_functional_tests

skip:0 error:0 Fixes: 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/ksm_functional_tests.c | 12 ++-- 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/too

[PATCH v2 4/7] mm/selftests: Fix split_huge_page_test failure on systems with 64KB page size

page size systems. Fixes: fa6c02315f745 ("mm: huge_memory: a new debugfs interface for splitting THP tests") Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- .../selftests/mm/split_huge_page_test.c | 23 ++- 1 file changed, 17 insertions(+), 6 deleti

[PATCH v2 3/7] selftest/mm: Fix ksm_funtional_test failures

m fork/exec") Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/ksm_functional_tests.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm

[PATCH v2 2/7] selftests/mm: Add support to test 4PB VA on PPC64

address. Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/virtual_address_range.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c index

[PATCH v2 1/7] mm/selftests: Fix incorrect pointer being passed to mark_range()

t;) Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/virtual_address_range.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c index 16

[PATCH v2 0/7] selftests/mm: Fix false positives and skip unsupported tests

nsupported, instead of reporting a failure. --- Please let us know if you have any further comments. Thanks, Aboorva Aboorva Devarajan (3): selftests/mm: Fix child process exit codes in ksm_functional_tests selftests/mm: Skip thuge-gen if shmmax is too small or no 1G huge pages se

Re: [PATCH 0/6] selftests/mm: Fix false positives and skip unsupported tests

this out. We'll rebase the patches against mm-new and repost them as v2. Regards, Aboorva > > On Mon, Jun 16, 2025 at 09:36:26PM +0530, Aboorva Devarajan wrote: > > This patch series fixes some of the false positives in generic > > mm selftests and skips test

[PATCH 6/6] selftests/mm: Mark thuge-gen as skipped if shmmax is too small or no 1G pages

ease run the following command to increase shmmax: ~ ~ echo 262144 > /proc/sys/kernel/shmmax ~ 1..0 ~ SKIP Test skipped due to insufficient shmmax value. ~ [SKIP] ok 29 thuge-gen ~ SKIP Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/thuge-gen.c | 11 +++ 1 file

[PATCH 2/6] selftest/mm: Fix ksm_funtional_test failures

p to ensure the counter is reset and the system is in a clean state for subsequent tests. Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/ksm_functional_tests.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/tools/testi

[PATCH 4/6] mm/selftests: Fix split_huge_page_test failure on systems with 64KB page size

page size systems. Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- .../selftests/mm/split_huge_page_test.c | 23 +++ 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/se

[PATCH 3/6] selftests/mm : fix test_prctl_fork_exec failure

From: Donet Tom execv argument is an array of pointers to null-terminated strings. In this patch we added NULL in the execv argument to fix the test failure. Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/ksm_functional_tests.c | 2 +- 1 file changed

[PATCH 5/6] selftests/mm: Fix child process exit codes in KSM tests

unmerged ... - [RUN] test_prctl_fork - No pages got merged not ok 7 Merge in child failed - [RUN] test_prctl_fork_exec ok 8 PR_SET_MEMORY_MERGE value is inherited ... Bail out! 2 out of 9 tests failed - Totals: pass:7 fail:2 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Aboorva Devarajan

[PATCH 0/6] selftests/mm: Fix false positives and skip unsupported tests

This patch series fixes some of the false positives in generic mm selftests and skips tests that cannot run correctly due to missing features or system limitations. Please let us know if you have any feedback. Thanks, Aboorva Aboorva Devarajan (2): selftests/mm: Fix child process exit codes

[PATCH 1/6] mm/selftests: Fix virtual_address_range test issues.

elftests/mm: virtual_address_range: conform to TAP format output") Fixes: b2a79f62133a ("selftests/mm: virtual_address_range: unmap chunks after validation") Fixes: 010409649885 ("selftests/mm: confirm VA exhaustion without reliance on correctness of mmap()") Signed-off-b

[RFC v3 2/2] powerpc/selftest: Add support for cpuidle latency measurement

g/selftest/powerpc/cpuidle_latency/ $ sudo ./cpuidle_latency.sh Reviewed-by: Srikar Dronamraju Signed-off-by: Pratik R. Sampat Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/powerpc/Makefile | 1 + .../powerpc/cpuidle_latency/.gitignore| 2 + .../powerpc/cpuidl

[RFC v3 1/2] powerpc/cpuidle: cpuidle wakeup latency based on IPI and timer events

wakeup the CPU. Define a simple debugfs interface that allows for adjusting the settings to trigger IPI and timer events on a designated CPU, and to observe the resulting cpuidle wakeup latencies. Reviewed-by: Srikar Dronamraju Signed-off-by: Pratik R. Sampat Signed-off-by: Aboorva Devarajan

[RFC v3 0/2] CPU-Idle latency selftest framework

988 # Observed Avg timeout diff(ns) - State stop5: 959137 Aboorva Devarajan (2): powerpc/cpuidle: cpuidle wakeup latency based on IPI and timer events powerpc/selftest: Add support for cpuidle latency measurement arch/powerpc/Kconfig.debug| 10 + arch/powerpc/kernel/Makef