From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/linux/slab_def.h | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/kernel/include/linux/slab_def.h b/kernel/include/linux/slab_def.h
index 9a5eafb..3aa5e1e 100644
--- a/kernel/include/linux/slab_def.h
+++ b/kernel/include/linux/slab_def.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_SLAB_DEF_H
#define _LINUX_SLAB_DEF_H
+#include <linux/kfence.h>
#include <linux/reciprocal_div.h>
/*
@@ -61,9 +62,6 @@
atomic_t allocmiss;
atomic_t freehit;
atomic_t freemiss;
-#ifdef CONFIG_DEBUG_SLAB_LEAK
- atomic_t store_user_clean;
-#endif
/*
* If debugging is enabled, then the allocator can add additional
@@ -75,9 +73,6 @@
int obj_offset;
#endif /* CONFIG_DEBUG_SLAB */
-#ifdef CONFIG_MEMCG
- struct memcg_cache_params memcg_params;
-#endif
#ifdef CONFIG_KASAN
struct kasan_cache kasan_info;
#endif
@@ -117,4 +112,12 @@
return reciprocal_divide(offset, cache->reciprocal_buffer_size);
}
+static inline int objs_per_slab_page(const struct kmem_cache *cache,
+ const struct page *page)
+{
+ if (is_kfence_address(page_address(page)))
+ return 1;
+ return cache->num;
+}
+
#endif /* _LINUX_SLAB_DEF_H */
--
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