mirror of https://github.com/dynup/kpatch
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
diff -Nupr src.orig/fs/proc/cmdline.c src/fs/proc/cmdline.c
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--- src.orig/fs/proc/cmdline.c 2022-10-24 15:23:41.612216689 -0400
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+++ src/fs/proc/cmdline.c 2022-10-24 15:23:58.224957497 -0400
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@@ -17,3 +17,10 @@ static int __init proc_cmdline_init(void
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return 0;
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}
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fs_initcall(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 2022-10-24 15:23:41.612216689 -0400
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+++ src/fs/proc/meminfo.c 2022-10-24 15:23:58.224957497 -0400
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@@ -19,6 +19,8 @@
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#include <asm/page.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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@@ -55,6 +57,7 @@ static int meminfo_proc_show(struct seq_
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sreclaimable = global_node_page_state_pages(NR_SLAB_RECLAIMABLE_B);
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sunreclaim = global_node_page_state_pages(NR_SLAB_UNRECLAIMABLE_B);
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+ kpatch_print_message();
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show_val_kb(m, "MemTotal: ", i.totalram);
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show_val_kb(m, "MemFree: ", i.freeram);
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show_val_kb(m, "MemAvailable: ", available);
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