AcoSail/kernel_optimize_test
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proc: use "unsigned int" for /proc/*/stack

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struct stack_trace::nr_entries is defined as "unsigned int" (YAY!) so
the iterator should be unsigned as well.

It saves 1 byte of code or something like that.

Link: http://lkml.kernel.org/r/20180423215248.GG9043@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-06-07 17:10:17 -07:00 committed by Linus Torvalds
parent 197850a1e0
commit 5d008fb414
1 changed files with 2 additions and 1 deletions
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3
fs/proc/base.c
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@ -401,7 +401,6 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
struct stack_trace trace; struct stack_trace trace;
unsigned long *entries; unsigned long *entries;
int err; int err;
int i;
entries = kmalloc(MAX_STACK_TRACE_DEPTH * sizeof(*entries), GFP_KERNEL); entries = kmalloc(MAX_STACK_TRACE_DEPTH * sizeof(*entries), GFP_KERNEL);
if (!entries) if (!entries)
@ -414,6 +413,8 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
err = lock_trace(task); err = lock_trace(task);
if (!err) { if (!err) {
unsigned int i;
save_stack_trace_tsk(task, &trace); save_stack_trace_tsk(task, &trace);
for (i = 0; i < trace.nr_entries; i++) { for (i = 0; i < trace.nr_entries; i++) {