From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/tools/testing/scatterlist/linux/mm.h | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/kernel/tools/testing/scatterlist/linux/mm.h b/kernel/tools/testing/scatterlist/linux/mm.h
index 6f9ac14..f9a1200 100644
--- a/kernel/tools/testing/scatterlist/linux/mm.h
+++ b/kernel/tools/testing/scatterlist/linux/mm.h
@@ -33,6 +33,7 @@
#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
+#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
@@ -114,6 +115,12 @@
return malloc(size);
}
+static inline void *
+kmalloc_array(unsigned int n, unsigned int size, unsigned int flags)
+{
+ return malloc(n * size);
+}
+
#define kfree(x) free(x)
#define kmemleak_alloc(a, b, c, d)
@@ -122,4 +129,33 @@
#define PageSlab(p) (0)
#define flush_kernel_dcache_page(p)
+#define MAX_ERRNO 4095
+
+#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
+
+static inline void * __must_check ERR_PTR(long error)
+{
+ return (void *) error;
+}
+
+static inline long __must_check PTR_ERR(__force const void *ptr)
+{
+ return (long) ptr;
+}
+
+static inline bool __must_check IS_ERR(__force const void *ptr)
+{
+ return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
+{
+ if (IS_ERR(ptr))
+ return PTR_ERR(ptr);
+ else
+ return 0;
+}
+
+#define IS_ENABLED(x) (0)
+
#endif
--
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