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* + gcov-use-kvmalloc-fix.patch added to -mm tree
@ 2021-04-21  2:37 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2021-04-21  2:37 UTC (permalink / raw)
  To: johannes.berg, mm-commits, ndesaulniers


The patch titled
     Subject: gcov: clang: fix clang-11+ build
has been added to the -mm tree.  Its filename is
     gcov-use-kvmalloc-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/gcov-use-kvmalloc-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/gcov-use-kvmalloc-fix.patch

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------------------------------------------------------
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-use-kvmalloc-fix
+++ a/kernel/gcov/clang.c
@@ -368,7 +368,7 @@ 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;
_

Patches currently in -mm which might be from johannes.berg@intel.com are

gcov-combine-common-code.patch
gcov-simplify-buffer-allocation.patch
gcov-use-kvmalloc.patch
gcov-use-kvmalloc-fix.patch
gdb-lx-symbols-store-the-abspath.patch


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