> On Aug 15, 2025, at 10:39, Zi Yan <z...@nvidia.com> wrote:
>
> All functions are only used within the file.
>
> Signed-off-by: Zi Yan <z...@nvidia.com>
> ---
> .../selftests/mm/split_huge_page_test.c | 22 +++++++++----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/tools/testing/selftests/mm/split_huge_page_test.c
> b/tools/testing/selftests/mm/split_huge_page_test.c
> index 5d07b0b89226..89d3dc08fe4c 100644
> --- a/tools/testing/selftests/mm/split_huge_page_test.c
> +++ b/tools/testing/selftests/mm/split_huge_page_test.c
> @@ -38,7 +38,7 @@ uint64_t pmd_pagesize;
> #define KPF_THP (1UL<<22)
> #define GET_ORDER(nr_pages) (31 - __builtin_clz(nr_pages))
>
> -int is_backed_by_thp(char *vaddr, int pagemap_file, int kpageflags_file)
> +static int is_backed_by_thp(char *vaddr, int pagemap_file, int
> kpageflags_file)
> {
> uint64_t paddr;
> uint64_t page_flags;
> @@ -136,7 +136,7 @@ static void
> verify_rss_anon_split_huge_page_all_zeroes(char *one_page, int nr_hp
> rss_anon_before, rss_anon_after);
> }
>
> -void split_pmd_zero_pages(void)
> +static void split_pmd_zero_pages(void)
> {
> char *one_page;
> int nr_hpages = 4;
> @@ -148,7 +148,7 @@ void split_pmd_zero_pages(void)
> free(one_page);
> }
>
> -void split_pmd_thp_to_order(int order)
> +static void split_pmd_thp_to_order(int order)
> {
> char *one_page;
> size_t len = 4 * pmd_pagesize;
> @@ -182,7 +182,7 @@ void split_pmd_thp_to_order(int order)
> free(one_page);
> }
>
> -void split_pte_mapped_thp(void)
> +static void split_pte_mapped_thp(void)
> {
> char *one_page, *pte_mapped, *pte_mapped2;
> size_t len = 4 * pmd_pagesize;
> @@ -265,7 +265,7 @@ void split_pte_mapped_thp(void)
> close(kpageflags_fd);
> }
>
> -void split_file_backed_thp(int order)
> +static void split_file_backed_thp(int order)
> {
> int status;
> int fd;
> @@ -365,7 +365,7 @@ void split_file_backed_thp(int order)
> ksft_exit_fail_msg("Error occurred\n");
> }
>
> -bool prepare_thp_fs(const char *xfs_path, char *thp_fs_template,
> +static bool prepare_thp_fs(const char *xfs_path, char *thp_fs_template,
> const char **thp_fs_loc)
> {
> if (xfs_path) {
> @@ -381,7 +381,7 @@ bool prepare_thp_fs(const char *xfs_path, char
> *thp_fs_template,
> return true;
> }
>
> -void cleanup_thp_fs(const char *thp_fs_loc, bool created_tmp)
> +static void cleanup_thp_fs(const char *thp_fs_loc, bool created_tmp)
> {
> int status;
>
> @@ -394,8 +394,8 @@ void cleanup_thp_fs(const char *thp_fs_loc, bool
> created_tmp)
> strerror(errno));
> }
>
> -int create_pagecache_thp_and_fd(const char *testfile, size_t fd_size, int
> *fd,
> - char **addr)
> +static int create_pagecache_thp_and_fd(const char *testfile, size_t fd_size,
> + int *fd, char **addr)
> {
> size_t i;
> unsigned char buf[1024];
> @@ -461,8 +461,8 @@ int create_pagecache_thp_and_fd(const char *testfile,
> size_t fd_size, int *fd,
> return -1;
> }
>
> -void split_thp_in_pagecache_to_order_at(size_t fd_size, const char *fs_loc,
> - int order, int offset)
> +static void split_thp_in_pagecache_to_order_at(size_t fd_size,
> + const char *fs_loc, int order, int offset)
> {
> int fd;
> char *addr;
> --
> 2.50.1
LGTM.
Reviewed-by: wang lian <lianux...@gmail.com>
