linux-kernel - Re: [PATCH 2/3] mm, nobootmem: clean-up of free_low_memory_core

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Date:	Tue, 19 Mar 2013 14:50:42 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Yinghai Lu <yinghai@...nel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Jiang Liu <liuj97@...il.com>
Subject: Re: [PATCH 2/3] mm, nobootmem: clean-up of
 free_low_memory_core_early()

On Tue, Mar 19, 2013 at 02:16:00PM +0900, Joonsoo Kim wrote:
> Remove unused argument and make function static,
> because there is no user outside of nobootmem.c
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>
> 
> diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
> index cdc3bab..5f0b0e1 100644
> --- a/include/linux/bootmem.h
> +++ b/include/linux/bootmem.h
> @@ -44,7 +44,6 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat,
>  				       unsigned long endpfn);
>  extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
>  
> -extern unsigned long free_low_memory_core_early(int nodeid);
>  extern unsigned long free_all_bootmem_node(pg_data_t *pgdat);
>  extern unsigned long free_all_bootmem(void);
>  
> diff --git a/mm/nobootmem.c b/mm/nobootmem.c
> index 4711e91..589c673 100644
> --- a/mm/nobootmem.c
> +++ b/mm/nobootmem.c
> @@ -120,7 +120,7 @@ static unsigned long __init __free_memory_core(phys_addr_t start,
>  	return end_pfn - start_pfn;
>  }
>  
> -unsigned long __init free_low_memory_core_early(int nodeid)
> +static unsigned long __init free_low_memory_core_early()
>  {
>  	unsigned long count = 0;
>  	phys_addr_t start, end, size;
> @@ -170,7 +170,7 @@ unsigned long __init free_all_bootmem(void)
>  	 *  because in some case like Node0 doesn't have RAM installed
>  	 *  low ram will be on Node1
>  	 */
> -	return free_low_memory_core_early(MAX_NUMNODES);
> +	return free_low_memory_core_early();
>  }
>  
>  /**
> -- 
> 1.7.9.5
> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@...ck.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
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Sorry, this patch makes build warning.
Below is fixed version.

-------------------->&------------------------
>From 05f4a768dd5c514113916908f4710f8863704ed9 Mon Sep 17 00:00:00 2001
From: Joonsoo Kim <iamjoonsoo.kim@....com>
Date: Mon, 18 Mar 2013 14:17:57 +0900
Subject: [PATCH] mm, nobootmem: clean-up of free_low_memory_core_early()

Remove unused argument and make function static,
because there is no user outside of nobootmem.c

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index cdc3bab..5f0b0e1 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -44,7 +44,6 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat,
 				       unsigned long endpfn);
 extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
 
-extern unsigned long free_low_memory_core_early(int nodeid);
 extern unsigned long free_all_bootmem_node(pg_data_t *pgdat);
 extern unsigned long free_all_bootmem(void);
 
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 4711e91..9c38698 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -120,7 +120,7 @@ static unsigned long __init __free_memory_core(phys_addr_t start,
 	return end_pfn - start_pfn;
 }
 
-unsigned long __init free_low_memory_core_early(int nodeid)
+static unsigned long __init free_low_memory_core_early(void)
 {
 	unsigned long count = 0;
 	phys_addr_t start, end, size;
@@ -170,7 +170,7 @@ unsigned long __init free_all_bootmem(void)
 	 *  because in some case like Node0 doesn't have RAM installed
 	 *  low ram will be on Node1
 	 */
-	return free_low_memory_core_early(MAX_NUMNODES);
+	return free_low_memory_core_early();
 }
 
 /**
-- 
1.7.9.5

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