Messages in this thread Patch in this message | | | From | Wang Wensheng <> | Subject | [PATCH -next 1/3] ftrace: Fix the possible incorrect kernel message | Date | Wed, 9 Nov 2022 09:44:32 +0000 |
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If the number of mcount entries is an integer multiple of ENTRIES_PER_PAGE, the page count showing on the console would be wrong.
Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com> --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index fbf2543111c0..c571c2813c11 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -7401,7 +7401,7 @@ void __init ftrace_init(void) } pr_info("ftrace: allocating %ld entries in %ld pages\n", - count, count / ENTRIES_PER_PAGE + 1); + count, DIV_ROUND_UP(count, ENTRIES_PER_PAGE)); ret = ftrace_process_locs(NULL, __start_mcount_loc, -- 2.17.1
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