RE: [PATCH 26/36] mm: rework mapcount accounting to enable 4k mapping of THPs

[Kirill A. Shutemov]

Kirill A. Shutemov wrote:
>  TESTPAGEFLAG_FALSE(TransHuge)
>  TESTPAGEFLAG_FALSE(TransCompound)
>  TESTPAGEFLAG_FALSE(TransTail)
> +TESTPAGEFLAG_FALSE(DoubleMap)
> +	TESTSETFLAG_FALSE(DoubleMap)
> +	CLEARPAGEFLAG_NOOP(DoubleMap)
>  #endif
>  
>  /*

Fixlet for !THP:


diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 757a4b162242..eec24e6391d3 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -633,7 +633,7 @@ TESTPAGEFLAG_FALSE(TransCompound)
 TESTPAGEFLAG_FALSE(TransTail)
 TESTPAGEFLAG_FALSE(DoubleMap)
 	TESTSETFLAG_FALSE(DoubleMap)
-	CLEARPAGEFLAG_NOOP(DoubleMap)
+	TESTCLEARFLAG_FALSE(DoubleMap)
 #endif
 
 /*
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