linux-kernel - [PATCH] ARM: print cma-reserved pages from show

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Message-Id: <1423092164-9145-1-git-send-email-gregory.0xf0@gmail.com>
Date:	Wed,  4 Feb 2015 15:22:43 -0800
From:	Gregory Fong <gregory.0xf0@...il.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	f.fainelli@...il.com, vishnu.ps@...sung.com,
	Gregory Fong <gregory.0xf0@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Nicolas Pitre <nico@...aro.org>,
	Kees Cook <keescook@...omium.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Yalin Wang <Yalin.Wang@...ymobile.com>,
	Laura Abbott <lauraa@...eaurora.org>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ARM: print cma-reserved pages from show_mem

Add cma reserved information to the ARM-specific show_mem.  It was
added to the generic implementation by commit
49abd8c28046adf77c5ce1949549aa64d7221881 "lib/show_mem.c: add cma
reserved information".

Signed-off-by: Gregory Fong <gregory.0xf0@...il.com>
---
 arch/arm/mm/init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 2495c8c..da77507 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -22,6 +22,7 @@
 #include <linux/memblock.h>
 #include <linux/dma-contiguous.h>
 #include <linux/sizes.h>
+#include <linux/cma.h>
 
 #include <asm/cp15.h>
 #include <asm/mach-types.h>
@@ -130,6 +131,9 @@ void show_mem(unsigned int filter)
 	printk("%d pages of RAM\n", total);
 	printk("%d free pages\n", free);
 	printk("%d reserved pages\n", reserved);
+#ifdef CONFIG_CMA
+	printk("%lu cma reserved pages\n", totalcma_pages);
+#endif
 	printk("%d slab pages\n", slab);
 	printk("%d pages shared\n", shared);
 	printk("%d pages swap cached\n", cached);
-- 
1.9.1

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