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From: Baoquan He <bhe@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, akpm@linux-foundation.org, rppt@kernel.org,
	david@redhat.com, bhe@redhat.com
Subject: [PATCH v4 3/4] mm: simplify parameter of setup_usemap()
Date: Wed, 20 Jan 2021 12:52:12 +0800	[thread overview]
Message-ID: <20210120045213.6571-4-bhe@redhat.com> (raw)
In-Reply-To: <20210120045213.6571-1-bhe@redhat.com>

Parameter 'zone' has got needed information, let's remove other
unnecessary parameters.

Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
 mm/page_alloc.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cbb67d9c1b2a..69cf19baac12 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6761,25 +6761,22 @@ static unsigned long __init usemap_size(unsigned long zone_start_pfn, unsigned l
 	return usemapsize / 8;
 }
 
-static void __ref setup_usemap(struct pglist_data *pgdat,
-				struct zone *zone,
-				unsigned long zone_start_pfn,
-				unsigned long zonesize)
+static void __ref setup_usemap(struct zone *zone)
 {
-	unsigned long usemapsize = usemap_size(zone_start_pfn, zonesize);
+	unsigned long usemapsize = usemap_size(zone->zone_start_pfn,
+					       zone->spanned_pages);
 	zone->pageblock_flags = NULL;
 	if (usemapsize) {
 		zone->pageblock_flags =
 			memblock_alloc_node(usemapsize, SMP_CACHE_BYTES,
-					    pgdat->node_id);
+					    zone_to_nid(zone));
 		if (!zone->pageblock_flags)
 			panic("Failed to allocate %ld bytes for zone %s pageblock flags on node %d\n",
-			      usemapsize, zone->name, pgdat->node_id);
+			      usemapsize, zone->name, zone_to_nid(zone));
 	}
 }
 #else
-static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone,
-				unsigned long zone_start_pfn, unsigned long zonesize) {}
+static inline void setup_usemap(struct zone *zone) {}
 #endif /* CONFIG_SPARSEMEM */
 
 #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
@@ -6974,7 +6971,7 @@ static void __init free_area_init_core(struct pglist_data *pgdat)
 			continue;
 
 		set_pageblock_order();
-		setup_usemap(pgdat, zone, zone_start_pfn, size);
+		setup_usemap(zone);
 		init_currently_empty_zone(zone, zone_start_pfn, size);
 		memmap_init_zone(zone);
 	}
-- 
2.17.2


  parent reply	other threads:[~2021-01-20  4:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-20  4:52 [PATCH v4 0/4] mm: clean up names and parameters of memmap_init_xxxx functions Baoquan He
2021-01-20  4:52 ` [PATCH v4 1/4] mm: rename memmap_init() and memmap_init_zone() Baoquan He
2021-01-20 15:47   ` kernel test robot
2021-01-21  8:17     ` Baoquan He
2021-01-21  8:25       ` Mike Rapoport
2021-01-21  8:43         ` Baoquan He
2021-01-22  7:13     ` Baoquan He
2021-01-22  8:46   ` David Hildenbrand
2021-01-20  4:52 ` [PATCH v4 2/4] mm: simplify parater of function memmap_init_zone() Baoquan He
2021-01-22  8:43   ` David Hildenbrand
2021-01-20  4:52 ` Baoquan He [this message]
2021-01-20  4:52 ` [PATCH v4 4/4] mm: remove unneeded local variable in free_area_init_core Baoquan He

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