mirror of https://github.com/dynup/kpatch
35 lines
1005 B
Diff
35 lines
1005 B
Diff
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diff -Nupr src.orig/fs/proc/cmdline.c src/fs/proc/cmdline.c
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--- src.orig/fs/proc/cmdline.c 2016-11-30 20:10:24.498178250 +0000
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+++ src/fs/proc/cmdline.c 2016-11-30 20:31:53.195178250 +0000
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@@ -27,3 +27,10 @@ static int __init proc_cmdline_init(void
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return 0;
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}
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module_init(proc_cmdline_init);
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+
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+#include <linux/printk.h>
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+void kpatch_print_message(void)
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+{
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+ if (!jiffies)
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+ printk("hello there!\n");
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+}
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diff -Nupr src.orig/fs/proc/meminfo.c src/fs/proc/meminfo.c
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--- src.orig/fs/proc/meminfo.c 2016-11-30 20:10:24.499178250 +0000
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+++ src/fs/proc/meminfo.c 2016-11-30 20:32:38.308178250 +0000
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@@ -16,6 +16,8 @@
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#include <asm/pgtable.h>
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#include "internal.h"
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+void kpatch_print_message(void);
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+
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void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
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{
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}
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@@ -85,6 +87,7 @@ static int meminfo_proc_show(struct seq_
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/*
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* Tagged format, for easy grepping and expansion.
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*/
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+ kpatch_print_message();
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seq_printf(m,
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"MemTotal: %8lu kB\n"
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"MemFree: %8lu kB\n"
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