linux-kernel - [PATCH] kdb: Remove redundant function definitions/prototypes

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Date:   Tue, 23 Feb 2021 17:30:45 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     kgdb-bugreport@...ts.sourceforge.net
Cc:     daniel.thompson@...aro.org, jason.wessel@...driver.com,
        dianders@...omium.org, linux-kernel@...r.kernel.org,
        Sumit Garg <sumit.garg@...aro.org>
Subject: [PATCH] kdb: Remove redundant function definitions/prototypes

Cleanup kdb code to get rid of unused function definitions/prototypes.

Signed-off-by: Sumit Garg <sumit.garg@...aro.org>
---
 kernel/debug/kdb/kdb_main.c    |  2 +-
 kernel/debug/kdb/kdb_private.h |  3 ---
 kernel/debug/kdb/kdb_support.c | 18 ------------------
 3 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index b29f7f375afb..2b9f0bb3542e 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -410,7 +410,7 @@ int kdbgetularg(const char *arg, unsigned long *value)
 	return 0;
 }
 
-int kdbgetu64arg(const char *arg, u64 *value)
+static int kdbgetu64arg(const char *arg, u64 *value)
 {
 	char *endp;
 	u64 val;
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index 12d0abab73ee..99ec64cfe791 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -103,7 +103,6 @@ extern int kdb_getword(unsigned long *, unsigned long, size_t);
 extern int kdb_putword(unsigned long, unsigned long, size_t);
 
 extern int kdbgetularg(const char *, unsigned long *);
-extern int kdbgetu64arg(const char *, u64 *);
 extern char *kdbgetenv(const char *);
 extern int kdbgetaddrarg(int, const char **, int*, unsigned long *,
 			 long *, char **);
@@ -209,9 +208,7 @@ extern unsigned long kdb_task_state(const struct task_struct *p,
 				    unsigned long mask);
 extern void kdb_ps_suppressed(void);
 extern void kdb_ps1(const struct task_struct *p);
-extern void kdb_print_nameval(const char *name, unsigned long val);
 extern void kdb_send_sig(struct task_struct *p, int sig);
-extern void kdb_meminfo_proc_show(void);
 extern char kdb_getchar(void);
 extern char *kdb_getstr(char *, size_t, const char *);
 extern void kdb_gdb_state_pass(char *buf);
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
index 6226502ce049..b59aad1f0b55 100644
--- a/kernel/debug/kdb/kdb_support.c
+++ b/kernel/debug/kdb/kdb_support.c
@@ -665,24 +665,6 @@ unsigned long kdb_task_state(const struct task_struct *p, unsigned long mask)
 	return (mask & kdb_task_state_string(state)) != 0;
 }
 
-/*
- * kdb_print_nameval - Print a name and its value, converting the
- *	value to a symbol lookup if possible.
- * Inputs:
- *	name	field name to print
- *	val	value of field
- */
-void kdb_print_nameval(const char *name, unsigned long val)
-{
-	kdb_symtab_t symtab;
-	kdb_printf("  %-11.11s ", name);
-	if (kdbnearsym(val, &symtab))
-		kdb_symbol_print(val, &symtab,
-				 KDB_SP_VALUE|KDB_SP_SYMSIZE|KDB_SP_NEWLINE);
-	else
-		kdb_printf("0x%lx\n", val);
-}
-
 /* Last ditch allocator for debugging, so we can still debug even when
  * the GFP_ATOMIC pool has been exhausted.  The algorithms are tuned
  * for space usage, not for speed.  One smallish memory pool, the free
-- 
2.25.1