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mm/page_owner: use helper function zone_end_pfn() to get end_pfn

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Commit 108bcc96ef ("mm: add & use zone_end_pfn() and zone_spans_pfn()")
introduced the helper zone_end_pfn() to calculate the zone end pfn.  But
pagetypeinfo_showmixedcount_print forgot to use it.  And the
initialization of local variable pfn is duplicated, remove one.

Link: https://lkml.kernel.org/r/20210123070538.5861-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2021-02-24 12:01:39 -08:00 committed by Linus Torvalds
parent 2e326c07bb
commit 1d2cae8ea1
1 changed files with 2 additions and 2 deletions
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4
mm/page_owner.c
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@ -263,8 +263,8 @@ void pagetypeinfo_showmixedcount_print(struct seq_file *m,
struct page *page;
struct page_ext *page_ext;
struct page_owner *page_owner;
unsigned long pfn = zone->zone_start_pfn, block_end_pfn;
unsigned long end_pfn = pfn + zone->spanned_pages;
unsigned long pfn, block_end_pfn;
unsigned long end_pfn = zone_end_pfn(zone);
unsigned long count[MIGRATE_TYPES] = { 0, };
int pageblock_mt, page_mt;
int i;