[PATCH v4 2/5] selftests/mm: mark all functions static in split_huge_page_test.c

[Zi Yan]

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