6.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> commit dd7664d67b478afeb79a89e4586c2cd7707d17d6 upstream. tmp_pg_dir, tmp_p4d and tmp_pud are only used in kasan_init.c so they should be declared as static. Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202306282202.bODptiGE-lkp@xxxxxxxxx/ Fixes: 96f9d4daf745 ("riscv: Rework kasan population functions") Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230704074357.233982-1-alexghiti@xxxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/riscv/mm/kasan_init.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -22,9 +22,9 @@ * region is not and then we have to go down to the PUD level. */ -pgd_t tmp_pg_dir[PTRS_PER_PGD] __page_aligned_bss; -p4d_t tmp_p4d[PTRS_PER_P4D] __page_aligned_bss; -pud_t tmp_pud[PTRS_PER_PUD] __page_aligned_bss; +static pgd_t tmp_pg_dir[PTRS_PER_PGD] __page_aligned_bss; +static p4d_t tmp_p4d[PTRS_PER_P4D] __page_aligned_bss; +static pud_t tmp_pud[PTRS_PER_PUD] __page_aligned_bss; static void __init kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) {
