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-rw-r--r--tools/testing/scatterlist/linux/mm.h40
1 files changed, 38 insertions, 2 deletions
diff --git a/tools/testing/scatterlist/linux/mm.h b/tools/testing/scatterlist/linux/mm.h
index 6f9ac14aa800..5bd9e6e80625 100644
--- a/tools/testing/scatterlist/linux/mm.h
+++ b/tools/testing/scatterlist/linux/mm.h
@@ -33,6 +33,7 @@ typedef unsigned long dma_addr_t;
#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)
@@ -73,7 +74,7 @@ static inline unsigned long page_to_phys(struct page *page)
__UNIQUE_ID(min1_), __UNIQUE_ID(min2_), \
x, y)
-#define preemptible() (1)
+#define pagefault_disabled() (0)
static inline void *kmap(struct page *page)
{
@@ -114,12 +115,47 @@ static inline void *kmalloc(unsigned int size, unsigned int flags)
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)
#define kmemleak_free(a)
#define PageSlab(p) (0)
-#define flush_kernel_dcache_page(p)
+#define flush_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