[patch 11/12] gcov: clang: fix clang-11+ build

Andrew Morton
2021-04-16T22:46:26Z

From: Johannes Berg <johannes.berg@intel.com>
Subject: gcov: clang: fix clang-11+ build

With clang-11+, the code is broken due to my kvmalloc() conversion (which
predated the clang-11 support code) leaving one vmalloc() in place. Fix
that.

Link: https://lkml.kernel.org/r/20210412214210.6e1ecca9cdc5.I24459763acf0591d5e6b31c7e3a59890d802f79c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

kernel/gcov/clang.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/gcov/clang.c~gcov-clang-fix-clang-11-build
+++ a/kernel/gcov/clang.c
@@ -369,7 +369,7 @@ static struct gcov_fn_info *gcov_fn_info
INIT_LIST_HEAD(&fn_dup->head);

cv_size = fn->num_counters * sizeof(fn->counters[0]);
- fn_dup->counters = vmalloc(cv_size);
+ fn_dup->counters = kvmalloc(cv_size, GFP_KERNEL);
if (!fn_dup->counters) {
kfree(fn_dup);
return NULL;
_