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fgraph: Remove unused FGRAPH_MAX_INDEX

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FGRAPH_MAX_INDEX has no user, and it expands to FGRAPH_INDEX_SIZE and
FGRAPH_RET_INDEX, neither of which is defined anywhere in the tree. It
was added in that form by commit 91c46b0aa9 ("function_graph:
Implement fgraph_reserve_data() and fgraph_retrieve_data()"), which
introduced the current data word layout under new names, so anything
referencing it would have failed to build ever since.

Remove it.

Link: https://patch.msgid.link/20260905211922.1196366-1-donggeunyoo.kernel@gmail.com
Signed-off-by: Donggeun Yoo <donggeunyoo.kernel@gmail.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Donggeun Yoo
2026-09-11 13:37:50 -04:00
committed by Steven Rostedt
parent 08cacffeef
commit b228454870
1 changed files with 0 additions and 3 deletions
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kernel/trace/fgraph.c
-3
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@@ -143,9 +143,6 @@ enum {
#define FGRAPH_DATA_INDEX_MASK GENMASK(FGRAPH_DATA_INDEX_BITS - 1, 0)
#define FGRAPH_DATA_INDEX_SHIFT (FGRAPH_DATA_SHIFT + FGRAPH_DATA_BITS)
#define FGRAPH_MAX_INDEX \
((FGRAPH_INDEX_SIZE << FGRAPH_DATA_BITS) + FGRAPH_RET_INDEX)
#define FGRAPH_ARRAY_SIZE FGRAPH_INDEX_BITS
/*