From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/include/linux/frontswap.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/kernel/include/linux/frontswap.h b/kernel/include/linux/frontswap.h
index 011965c..b07d88c 100644
--- a/kernel/include/linux/frontswap.h
+++ b/kernel/include/linux/frontswap.h
@@ -7,6 +7,13 @@
#include <linux/bitops.h>
#include <linux/jump_label.h>
+/*
+ * Return code to denote that requested number of
+ * frontswap pages are unused(moved to page cache).
+ * Used in shmem_unuse and try_to_unuse.
+ */
+#define FRONTSWAP_PAGES_UNUSED 2
+
struct frontswap_ops {
void (*init)(unsigned); /* this swap type was just swapon'ed */
int (*store)(unsigned, pgoff_t, struct page *); /* store a page */
--
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