linux-kernel - [PATCH 01/25] Replace __alloc_pages_internal() with __alloc_pages

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Message-Id: <1237543392-11797-2-git-send-email-mel@csn.ul.ie>
Date:	Fri, 20 Mar 2009 10:02:48 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Mel Gorman <mel@....ul.ie>,
	Linux Memory Management List <linux-mm@...ck.org>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lin Ming <ming.m.lin@...el.com>,
	Zhang Yanmin <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 01/25] Replace __alloc_pages_internal() with __alloc_pages_nodemask()

__alloc_pages_internal is the core page allocator function but
essentially it is an alias of __alloc_pages_nodemask. Naming a publicly
available and exported function "internal" is also a big ugly. This
patch renames __alloc_pages_internal() to __alloc_pages_nodemask() and
deletes the old nodemask function.

Warning - This patch renames an exported symbol. No kernel driver is
affected by external drivers calling __alloc_pages_internal() should
change the call to __alloc_pages_nodemask() without any alteration of
parameters.

Signed-off-by: Mel Gorman <mel@....ul.ie>
Reviewed-by: Christoph Lameter <cl@...ux-foundation.org>
---
 include/linux/gfp.h |   12 ++----------
 mm/page_alloc.c     |    4 ++--
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index dd20cd7..dcf0ab8 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -168,24 +168,16 @@ static inline void arch_alloc_page(struct page *page, int order) { }
 #endif
 
 struct page *
-__alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
+__alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 		       struct zonelist *zonelist, nodemask_t *nodemask);
 
 static inline struct page *
 __alloc_pages(gfp_t gfp_mask, unsigned int order,
 		struct zonelist *zonelist)
 {
-	return __alloc_pages_internal(gfp_mask, order, zonelist, NULL);
+	return __alloc_pages_nodemask(gfp_mask, order, zonelist, NULL);
 }
 
-static inline struct page *
-__alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
-		struct zonelist *zonelist, nodemask_t *nodemask)
-{
-	return __alloc_pages_internal(gfp_mask, order, zonelist, nodemask);
-}
-
-
 static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
 						unsigned int order)
 {
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5c44ed4..0671b3f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1464,7 +1464,7 @@ try_next_zone:
  * This is the 'heart' of the zoned buddy allocator.
  */
 struct page *
-__alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
+__alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 			struct zonelist *zonelist, nodemask_t *nodemask)
 {
 	const gfp_t wait = gfp_mask & __GFP_WAIT;
@@ -1670,7 +1670,7 @@ nopage:
 got_pg:
 	return page;
 }
-EXPORT_SYMBOL(__alloc_pages_internal);
+EXPORT_SYMBOL(__alloc_pages_nodemask);
 
 /*
  * Common helper functions.
-- 
1.5.6.5

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