linux-kernel - [PATCH 1/1] mm/page_alloc: Remove useless parameter of __free_pages_boot

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Date:	Thu, 24 Mar 2016 11:51:20 +0800
From:	Li Zhang <zhlcindy@...il.com>
To:	mgorman@...hsingularity.net, vbabka@...e.cz,
	to=akpm@...ux-foundation.org, khandual@...ux.vnet.ibm.com,
	aneesh.kumar@...ux.vnet.ibm.com
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Li Zhang <zhlcindy@...ux.vnet.ibm.com>
Subject: [PATCH 1/1] mm/page_alloc: Remove useless parameter of __free_pages_boot_core

From: Li Zhang <zhlcindy@...ux.vnet.ibm.com>

__free_pages_boot_core has parameter pfn which is not used at all.
So this patch is to make it clean.

Signed-off-by: Li Zhang <zhlcindy@...ux.vnet.ibm.com>
---
 mm/page_alloc.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a762be5..8c0affe 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1056,8 +1056,7 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 	local_irq_restore(flags);
 }
 
-static void __init __free_pages_boot_core(struct page *page,
-					unsigned long pfn, unsigned int order)
+static void __init __free_pages_boot_core(struct page *page, unsigned int order)
 {
 	unsigned int nr_pages = 1 << order;
 	struct page *p = page;
@@ -1134,7 +1133,7 @@ void __init __free_pages_bootmem(struct page *page, unsigned long pfn,
 {
 	if (early_page_uninitialised(pfn))
 		return;
-	return __free_pages_boot_core(page, pfn, order);
+	return __free_pages_boot_core(page, order);
 }
 
 /*
@@ -1219,12 +1218,12 @@ static void __init deferred_free_range(struct page *page,
 	if (nr_pages == MAX_ORDER_NR_PAGES &&
 	    (pfn & (MAX_ORDER_NR_PAGES-1)) == 0) {
 		set_pageblock_migratetype(page, MIGRATE_MOVABLE);
-		__free_pages_boot_core(page, pfn, MAX_ORDER-1);
+		__free_pages_boot_core(page, MAX_ORDER-1);
 		return;
 	}
 
-	for (i = 0; i < nr_pages; i++, page++, pfn++)
-		__free_pages_boot_core(page, pfn, 0);
+	for (i = 0; i < nr_pages; i++, page++)
+		__free_pages_boot_core(page, 0);
 }
 
 /* Completion tracking for deferred_init_memmap() threads */
-- 
2.1.0