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Commit 5d008fb4 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

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

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: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 197850a1

fs/proc/base.c

+2 −1
Original line number Diff line number Diff line
@@ -401,7 +401,6 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns, 
	struct stack_trace trace;

	unsigned long *entries;

	int err;

	int i;



	entries = kmalloc(MAX_STACK_TRACE_DEPTH * sizeof(*entries), GFP_KERNEL);

	if (!entries)
@@ -414,6 +413,8 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns, 


	err = lock_trace(task);

	if (!err) {

		unsigned int i;



		save_stack_trace_tsk(task, &trace);



		for (i = 0; i < trace.nr_entries; i++) {