[RFC PATCH v1 15/19] mm/ARM: fix stale comment about VALID_PAGE()

[Jiang Liu]

VALID_PAGE() has been removed from kernel long time ago,
so fix the comment.

Signed-off-by: Jiang Liu <jiang.liu at huawei.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Will Deacon <will.deacon at arm.com>
Cc: Nicolas Pitre <nico at linaro.org>
Cc: Stephen Boyd <sboyd at codeaurora.org>
Cc: Giancarlo Asnaghi <giancarlo.asnaghi at st.com>
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
 arch/arm/include/asm/memory.h |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 57870ab..0cd2a3d 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -260,12 +260,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
 /*
  * Conversion between a struct page and a physical address.
  *
- * Note: when converting an unknown physical address to a
- * struct page, the resulting pointer must be validated
- * using VALID_PAGE().  It must return an invalid struct page
- * for any physical address not corresponding to a system
- * RAM address.
- *
  *  page_to_pfn(page)	convert a struct page * to a PFN number
  *  pfn_to_page(pfn)	convert a _valid_ PFN number to struct page *
  *
-- 
1.7.9.5