Re: [RFC PATCH] selftests/mm: use pattern matching in .gitignore

[Lorenzo Stoakes <ljs@kernel.org>]

On Tue, Apr 21, 2026 at 06:30:00PM +0000, pratmal@google.com wrote:
> From: Pratyush Mallick <pratmal@google.com>
>
> The current .gitignore hardcodes each generated test binary by name,
> requiring updates every time a new test is added.
>
> Switch to the patten-matching approach similar to KVM:selftests.
> Ignore everything by default and then allow source extensions (.c, .h, .sh)
> and tracked non-source files.
>
> Signed-off-by: Pratyush Mallick <pratmal@google.com>

Niceee :) a lot of red, love it.

Assuming you have confirmed this is all working correctly, please un-RFC and
feel free to add:

Reviewed-by: Lorenzo Stoakes <ljs@kernel.org>

> ---
>  tools/testing/selftests/mm/.gitignore | 72 ++++-----------------------
>  1 file changed, 11 insertions(+), 61 deletions(-)
>
> diff --git a/tools/testing/selftests/mm/.gitignore b/tools/testing/selftests/mm/.gitignore
> index 83ad9454dd9d..92f9205d3996 100644
> --- a/tools/testing/selftests/mm/.gitignore
> +++ b/tools/testing/selftests/mm/.gitignore
> @@ -1,63 +1,13 @@
>  # SPDX-License-Identifier: GPL-2.0-only
> -cow
> -hugepage-mmap
> -hugepage-mremap
> -hugepage-shm
> -hugepage-vmemmap
> -hugetlb-madvise
> -hugetlb-read-hwpoison
> -hugetlb-soft-offline
> -khugepaged
> -map_hugetlb
> -map_populate
> -thuge-gen
> -compaction_test
> -memory-failure
> -migration
> -mlock2-tests
> -mrelease_test
> -mremap_dontunmap
> -mremap_test
> -on-fault-limit
> -transhuge-stress
> -pagemap_ioctl
> -pfnmap
> -process_madv
> -*.tmp*
> -protection_keys
> -protection_keys_32
> -protection_keys_64
> -madv_populate
> -uffd-stress
> -uffd-unit-tests
> -uffd-wp-mremap
> -mlock-intersect-test
> -mlock-random-test
> -virtual_address_range
> -gup_test
> -va_128TBswitch
> -map_fixed_noreplace
> -write_to_hugetlbfs
> -hmm-tests
> -memfd_secret
> -soft-dirty
> -split_huge_page_test
> -ksm_tests
> +*
> +!/**/
> +!*.c
> +!*.h
> +!*.sh
> +!.gitignore
> +!Makefile
> +!config
> +!settings
> +#Re-ignore generated files
>  local_config.h
> -local_config.mk
> -ksm_functional_tests
> -mdwe_test
> -gup_longterm
> -mkdirty
> -va_high_addr_switch
> -hugetlb_fault_after_madv
> -hugetlb_madv_vs_map
> -mseal_test
> -droppable
> -hugetlb_dio
> -pkey_sighandler_tests_32
> -pkey_sighandler_tests_64
> -guard-regions
> -merge
> -prctl_thp_disable
> -rmap
> +*.mod.c
> --
> 2.54.0.rc1.555.g9c883467ad-goog
>