[PATCH] alpha: pgprot_uncached() comment

Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
git-mirror · Jul 12, 2005 · 138d402 · 138d402
1 parent 082ff0a
commit 138d402
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
@@ -132,6 +132,10 @@
 #define __S110	_PAGE_S(0)
 #define __S111	_PAGE_S(0)
 
+/*
+ * pgprot_noncached() is only for infiniband pci support, and a real
+ * implementation for RAM would be more complicated.
+ */
 #define pgprot_noncached(prot)	(prot)
 
 /*