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-rw-r--r--mm/readahead.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index 8e3775829513..a9ba3bb19ad0 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -746,6 +746,13 @@ SYSCALL_DEFINE3(readahead, int, fd, loff_t, offset, size_t, count)
return ksys_readahead(fd, offset, count);
}
+#if defined(CONFIG_COMPAT) && defined(__ARCH_WANT_COMPAT_READAHEAD)
+COMPAT_SYSCALL_DEFINE4(readahead, int, fd, compat_arg_u64_dual(offset), size_t, count)
+{
+ return ksys_readahead(fd, compat_arg_u64_glue(offset), count);
+}
+#endif
+
/**
* readahead_expand - Expand a readahead request
* @ractl: The request to be expanded