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a61c01e8f4
/proc/cmdline is never removed, mark is as permanent for slightly faster open and close. Link: https://lkml.kernel.org/r/Y66xAveh2yUsP7m9@p183 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
24 lines
540 B
C
24 lines
540 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include "internal.h"
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static int cmdline_proc_show(struct seq_file *m, void *v)
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{
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seq_puts(m, saved_command_line);
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seq_putc(m, '\n');
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return 0;
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}
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static int __init proc_cmdline_init(void)
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{
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struct proc_dir_entry *pde;
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pde = proc_create_single("cmdline", 0, NULL, cmdline_proc_show);
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pde_make_permanent(pde);
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pde->size = saved_command_line_len + 1;
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return 0;
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}
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fs_initcall(proc_cmdline_init);
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