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author | Jakub Kicinski <kuba@kernel.org> | 2022-11-29 13:04:52 -0800 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2022-11-29 13:04:52 -0800 |
commit | f2bb566f5c977ff010baaa9e5e14d9a75b06e5f2 (patch) | |
tree | 6359cc9169bd06bfb8b757a534c82886df605b71 /kernel/trace/ftrace.c | |
parent | 7a945ce0c19bbdf821d5f7ce1515e7fb8e444465 (diff) | |
parent | 01f856ae6d0ca5ad0505b79bf2d22d7ca439b2a1 (diff) | |
download | linux-stable-f2bb566f5c977ff010baaa9e5e14d9a75b06e5f2.tar.gz linux-stable-f2bb566f5c977ff010baaa9e5e14d9a75b06e5f2.tar.bz2 linux-stable-f2bb566f5c977ff010baaa9e5e14d9a75b06e5f2.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/lib/bpf/ringbuf.c
927cbb478adf ("libbpf: Handle size overflow for ringbuf mmap")
b486d19a0ab0 ("libbpf: checkpatch: Fixed code alignments in ringbuf.c")
https://lore.kernel.org/all/20221121122707.44d1446a@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r-- | kernel/trace/ftrace.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 705b990d264d..f2260bc65226 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1289,6 +1289,7 @@ static int ftrace_add_mod(struct trace_array *tr, if (!ftrace_mod) return -ENOMEM; + INIT_LIST_HEAD(&ftrace_mod->list); ftrace_mod->func = kstrdup(func, GFP_KERNEL); ftrace_mod->module = kstrdup(module, GFP_KERNEL); ftrace_mod->enable = enable; @@ -3190,7 +3191,7 @@ static int ftrace_allocate_records(struct ftrace_page *pg, int count) /* if we can't allocate this size, try something smaller */ if (!order) return -ENOMEM; - order >>= 1; + order--; goto again; } @@ -7391,7 +7392,7 @@ 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, |