linux-kernel - [PATCH v6 2/2] mm/vmalloc: drop "caller" argument of __vmalloc_area

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Message-Id: <1379464202-21104-2-git-send-email-liwanp@linux.vnet.ibm.com>
Date:	Wed, 18 Sep 2013 08:30:02 +0800
From:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Joonsoo Kim <iamjoonsoo.kim@....com>,
	David Rientjes <rientjes@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Zhang Yanfei <zhangyanfei@...fujitsu.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Subject: [PATCH v6 2/2] mm/vmalloc: drop "caller" argument of __vmalloc_area_node() 

__vmalloc_area_node() no longer need "caller" argument. It can use area->caller 
instead. This patch drop "caller" argument of __vmalloc_area_node().

Signed-off-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com>
---
 mm/vmalloc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index d78d117..f75c2aa 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1546,7 +1546,7 @@ static void *__vmalloc_node(unsigned long size, unsigned long align,
 			    gfp_t gfp_mask, pgprot_t prot,
 			    int node, const void *caller);
 static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
-				 pgprot_t prot, int node, const void *caller)
+				 pgprot_t prot, int node)
 {
 	const int order = 0;
 	struct page **pages;
@@ -1560,7 +1560,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 	/* Please note that the recursion is strictly bounded. */
 	if (array_size > PAGE_SIZE) {
 		pages = __vmalloc_node(array_size, 1, nested_gfp|__GFP_HIGHMEM,
-				PAGE_KERNEL, node, caller);
+				PAGE_KERNEL, node, area->caller);
 		area->flags |= VM_VPAGES;
 	} else {
 		pages = kmalloc_node(array_size, nested_gfp, node);
@@ -1633,7 +1633,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
 	if (!area)
 		goto fail;
 
-	addr = __vmalloc_area_node(area, gfp_mask, prot, node, caller);
+	addr = __vmalloc_area_node(area, gfp_mask, prot, node);
 	if (!addr)
 		goto fail;
 
-- 
1.8.1.2

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