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-rw-r--r--include/linux/mmzone.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index da7a829f8561..57fc99c67c31 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -455,7 +455,7 @@ extern struct pglist_data contig_page_data;
455#include <asm/sparsemem.h> 455#include <asm/sparsemem.h>
456#endif 456#endif
457 457
458#if BITS_PER_LONG == 32 || defined(ARCH_HAS_ATOMIC_UNSIGNED) 458#if BITS_PER_LONG == 32
459/* 459/*
460 * with 32 bit page->flags field, we reserve 9 bits for node/zone info. 460 * with 32 bit page->flags field, we reserve 9 bits for node/zone info.
461 * there are 4 zones (3 bits) and this leaves 9-3=6 bits for nodes. 461 * there are 4 zones (3 bits) and this leaves 9-3=6 bits for nodes.