The commit 04b67022fb6d ("x86/mm/dump_pagetables: Speed up page tables dump for CONFIG_KASAN=y") removed pud_already_checked() but left a unused variable.
arch/x86/mm/dump_pagetables.c: In function 'walk_pud_level': arch/x86/mm/dump_pagetables.c:447:9: warning: variable 'prev_pud' set but not used [-Wunused-but-set-variable] pud_t *prev_pud = NULL; ^~~~~~~~ Signed-off-by: Qian Cai <c...@lca.pw> --- arch/x86/mm/dump_pagetables.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index e3cdc85ce5b6..ee8f8ab46941 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -444,7 +444,6 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, p4d_t addr, int i; pud_t *start, *pud_start; pgprotval_t prot, eff; - pud_t *prev_pud = NULL; pud_start = start = (pud_t *)p4d_page_vaddr(addr); @@ -462,7 +461,6 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, p4d_t addr, } else note_page(m, st, __pgprot(0), 0, 3); - prev_pud = start; start++; } } -- 2.17.2 (Apple Git-113)