[PATCH NFSIM]: Define ____cacheline_aligned

[Patrick McHardy <kaber@trash.net>]

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____cacheline_aligned is currently undefined, this makes this check in
ip_tables.c check_entry_size_and_hooks() fail on 64 bit because
newinfo->entries and thus e is only 4-byte aligned:

        if ((unsigned long)e % __alignof__(struct ipt_entry) != 0
            || (unsigned char *)e + sizeof(struct ipt_entry) >= limit) {
                duprintf("Bad offset %p\n", e);
                return -EINVAL;
        }

This patch makes it align to 8 byte.



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Index: kernelenv/include/kernelenv.h
===================================================================
--- kernelenv/include/kernelenv.h	(revision 3578)
+++ kernelenv/include/kernelenv.h	(working copy)
@@ -103,7 +103,7 @@
 
 #define __init
 #define __inline
-#define ____cacheline_aligned
+#define ____cacheline_aligned __attribute__((aligned(8)))
 
 #include <talloc.h>
 extern void *__vmalloc_ctx;