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hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/tools/testing/scatterlist/linux/mm.h
..
..
@@ -33,6 +33,7 @@
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 #define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
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 #define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
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 #define ALIGN(x, a)			__ALIGN_KERNEL((x), (a))
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+#define ALIGN_DOWN(x, a)		__ALIGN_KERNEL((x) - ((a) - 1), (a))
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 #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
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..
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@@ -114,6 +115,12 @@
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 	return malloc(size);
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 }
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+static inline void *
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+kmalloc_array(unsigned int n, unsigned int size, unsigned int flags)
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+{
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+	return malloc(n * size);
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+}
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+
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 #define kfree(x) free(x)
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 #define kmemleak_alloc(a, b, c, d)
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@@ -122,4 +129,33 @@
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 #define PageSlab(p) (0)
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 #define flush_kernel_dcache_page(p)
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+#define MAX_ERRNO	4095
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+
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+#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
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+
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+static inline void * __must_check ERR_PTR(long error)
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+{
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+	return (void *) error;
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+}
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+
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+static inline long __must_check PTR_ERR(__force const void *ptr)
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+{
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+	return (long) ptr;
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+}
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+
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+static inline bool __must_check IS_ERR(__force const void *ptr)
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+{
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+	return IS_ERR_VALUE((unsigned long)ptr);
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+}
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+
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+static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
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+{
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+	if (IS_ERR(ptr))
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+		return PTR_ERR(ptr);
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+	else
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+		return 0;
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+}
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+
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+#define IS_ENABLED(x) (0)
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+
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 #endif