From: Cody P Schafer <cody@linux.vnet.ibm.com>
To: Linux MM <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Cody P Schafer <cody@linux.vnet.ibm.com>
Subject: [PATCH 16/17] mm/memory_hotplug: use zone_end_pfn() instead of open coding
Date: Tue, 15 Jan 2013 16:24:53 -0800 [thread overview]
Message-ID: <1358295894-24167-17-git-send-email-cody@linux.vnet.ibm.com> (raw)
In-Reply-To: <1358295894-24167-1-git-send-email-cody@linux.vnet.ibm.com>
Switch to using zone_end_pfn() in move_pfn_range_left() and
move_pfn_range_right() instead of open coding the same.
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
---
mm/memory_hotplug.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c6149a3..515b917 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -278,7 +278,7 @@ static int __meminit move_pfn_range_left(struct zone *z1, struct zone *z2,
pgdat_resize_lock(z1->zone_pgdat, &flags);
/* can't move pfns which are higher than @z2 */
- if (end_pfn > z2->zone_start_pfn + z2->spanned_pages)
+ if (end_pfn > zone_end_pfn(z2))
goto out_fail;
/* the move out part mast at the left most of @z2 */
if (start_pfn > z2->zone_start_pfn)
@@ -294,7 +294,7 @@ static int __meminit move_pfn_range_left(struct zone *z1, struct zone *z2,
z1_start_pfn = start_pfn;
resize_zone(z1, z1_start_pfn, end_pfn);
- resize_zone(z2, end_pfn, z2->zone_start_pfn + z2->spanned_pages);
+ resize_zone(z2, end_pfn, zone_end_pfn(z2));
pgdat_resize_unlock(z1->zone_pgdat, &flags);
@@ -323,15 +323,15 @@ static int __meminit move_pfn_range_right(struct zone *z1, struct zone *z2,
if (z1->zone_start_pfn > start_pfn)
goto out_fail;
/* the move out part mast at the right most of @z1 */
- if (z1->zone_start_pfn + z1->spanned_pages > end_pfn)
+ if (zone_end_pfn(z1) > end_pfn)
goto out_fail;
/* must included/overlap */
- if (start_pfn >= z1->zone_start_pfn + z1->spanned_pages)
+ if (start_pfn >= zone_end_pfn(z1))
goto out_fail;
/* use end_pfn for z2's end_pfn if z2 is empty */
if (z2->spanned_pages)
- z2_end_pfn = z2->zone_start_pfn + z2->spanned_pages;
+ z2_end_pfn = zone_end_pfn(z2);
else
z2_end_pfn = end_pfn;
--
1.8.0.3
--
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next prev parent reply other threads:[~2013-01-16 0:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-16 0:24 [PATCH 00/17] mm: zone & pgdat accessors plus some cleanup Cody P Schafer
2013-01-16 0:24 ` [PATCH 01/17] mm/compaction: rename var zone_end_pfn to avoid conflicts with new function Cody P Schafer
2013-01-16 1:08 ` Dave Hansen
2013-01-16 0:24 ` [PATCH 02/17] mmzone: add various zone_*() helper functions Cody P Schafer
2013-01-16 1:19 ` Dave Hansen
2013-01-16 1:20 ` Dave Hansen
2013-01-16 0:24 ` [PATCH 03/17] mm/page_alloc: add a VM_BUG in __free_one_page() if the zone is uninitialized Cody P Schafer
2013-01-16 0:24 ` [PATCH 04/17] mm: add helper ensure_zone_is_initialized() Cody P Schafer
2013-01-16 0:24 ` [PATCH 05/17] mm/memory_hotplug: use ensure_zone_is_initialized() Cody P Schafer
2013-01-16 0:24 ` [PATCH 06/17] mmzone: add pgdat_{end_pfn,is_empty}() helpers & consolidate Cody P Schafer
2013-01-16 0:24 ` [PATCH 07/17] mm/page_alloc: use zone_spans_pfn() instead of open coding Cody P Schafer
2013-01-16 0:24 ` [PATCH 08/17] mm/page_alloc: use zone_spans_pfn() instead of open coded checks Cody P Schafer
2013-01-16 0:24 ` [PATCH 09/17] mm/page_alloc: use zone_end_pfn() & zone_spans_pfn() Cody P Schafer
2013-01-16 0:24 ` [PATCH 10/17] mm/vmstat: use zone_end_pfn() instead of opencoding Cody P Schafer
2013-01-16 0:24 ` [PATCH 11/17] mm/kmemleak: use node_{start,end}_pfn() Cody P Schafer
2013-01-16 0:24 ` [PATCH 12/17] mm/memory_hotplug: use pgdat_end_pfn() instead of open coding the same Cody P Schafer
2013-01-16 0:24 ` [PATCH 13/17] mm: add SECTION_IN_PAGE_FLAGS Cody P Schafer
2013-01-16 0:24 ` [PATCH 14/17] mm/memory_hotplug: factor out zone+pgdat growth Cody P Schafer
2013-01-16 1:27 ` Dave Hansen
2013-01-16 0:24 ` [PATCH 15/17] mm/page_alloc: add informative debugging message in page_outside_zone_boundaries() Cody P Schafer
2013-01-16 1:34 ` Dave Hansen
2013-01-16 0:24 ` Cody P Schafer [this message]
2013-01-16 0:24 ` [PATCH 17/17] mm/compaction: use zone_end_pfn() Cody P Schafer
2013-01-16 1:39 ` Dave Hansen
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