2 files changed, 13 insertions, 1 deletions

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 487ac6f37ca2..9a11f9f799f4 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -55,6 +55,7 @@ static struct sym_entry *table;
 static unsigned int table_size, table_cnt;
 static int all_symbols = 0;
 static char symbol_prefix_char = '\0';
+static unsigned long long kernel_start_addr = 0;
 
 int token_profit[0x10000];
 
@@ -65,7 +66,10 @@ unsigned char best_table_len[256];
 
 static void usage(void)
 {
-        fprintf(stderr, "Usage: kallsyms [--all-symbols] [--symbol-prefix=<prefix char>] < in.map > out.S\n");
+        fprintf(stderr, "Usage: kallsyms [--all-symbols] "
+                        "[--symbol-prefix=<prefix char>] "
+                        "[--page-offset=<CONFIG_PAGE_OFFSET>] "
+                        "< in.map > out.S\n");
         exit(1);
 }
 
@@ -194,6 +198,9 @@ static int symbol_valid(struct sym_entry *s)
         int i;
         int offset = 1;
 
+        if (s->addr < kernel_start_addr)
+                return 0;
+
         /* skip prefix char */
         if (symbol_prefix_char && *(s->sym + 1) == symbol_prefix_char)
                 offset++;
@@ -646,6 +653,9 @@ int main(int argc, char **argv)
                                 if ((*p == '"' && *(p+2) == '"') || (*p == '\'' && *(p+2) == '\''))
                                         p++;
                                 symbol_prefix_char = *p;
+                        } else if (strncmp(argv[i], "--page-offset=", 14) == 0) {
+                                const char *p = &argv[i][14];
+                                kernel_start_addr = strtoull(p, NULL, 16);
                         } else
                                 usage();
                 }
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 014994936b1c..32b10f53d0b4 100644
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -82,6 +82,8 @@ kallsyms()
                 kallsymopt="${kallsymopt} --all-symbols"
         fi
 
+        kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET"
+
         local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL}               \
                       ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"