[PATCH v4 2/8] scripts/kallsyms: ensure that all possible combinations are compressed
From: Zhen Lei <hidden>
Date: 2022-09-20 07:14:34
Also in:
live-patching, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
For a symbol, there may be more than one place that can be merged. For example: nfs_fs_proc_net_init, there are two "f"+"s_" combinations. And we're only compressing the first combination at the moment. Let's compress all possible combinations. Signed-off-by: Zhen Lei <redacted> --- scripts/kallsyms.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 8caccc8f4a23703..3319d9f38d7a5f2 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c@@ -553,7 +553,7 @@ static void compress_symbols(const unsigned char *str, int idx) unsigned char *p1, *p2; for (i = 0; i < table_cnt; i++) { - +retry: len = table[i]->len; p1 = table[i]->sym;
@@ -585,6 +585,9 @@ static void compress_symbols(const unsigned char *str, int idx) /* increase the counts for this symbol's new tokens */ learn_symbol(table[i]->sym, len); + + /* May be more than one place that can be merged, try again */ + goto retry; } }
--
2.25.1