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PM / Hibernate: Correct additional pages number calculation
The struct bm_block is allocated by chain_alloc(), so it'd better counting it in LINKED_PAGE_DATA_SIZE. Signed-off-by: Namhyung Kim <namhyung.kim@lge.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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@ -812,7 +812,8 @@ unsigned int snapshot_additional_pages(struct zone *zone)
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unsigned int res;
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res = DIV_ROUND_UP(zone->spanned_pages, BM_BITS_PER_BLOCK);
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res += DIV_ROUND_UP(res * sizeof(struct bm_block), PAGE_SIZE);
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res += DIV_ROUND_UP(res * sizeof(struct bm_block),
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LINKED_PAGE_DATA_SIZE);
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return 2 * res;
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}
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