Messages in this thread Patch in this message | | | Date | Sat, 15 Jun 2002 12:23:57 -0700 | From | William Lee Irwin III <> | Subject | beautify nr_free_pages() |
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nr_free_pages() is overly verbose. The following is perhaps clearer and gets to the point with fewer lines of code and inside of 80 columns.
Against 2.5.21
Cheers, Bill
===== mm/page_alloc.c 1.67 vs edited ===== --- 1.67/mm/page_alloc.c Mon Jun 3 08:25:10 2002 +++ edited/mm/page_alloc.c Sat Jun 15 12:10:41 2002 @@ -495,16 +495,13 @@ */ unsigned int nr_free_pages(void) { - unsigned int sum; - zone_t *zone; - pg_data_t *pgdat = pgdat_list; + unsigned int i, sum = 0; + pg_data_t *pgdat; + + for (pgdat = pgdat_list; pgdat; pgdat = pgdat->node_next) + for (i = 0; i < MAX_NR_ZONES; ++i) + sum += pgdat->node_zones[i].free_pages; - sum = 0; - while (pgdat) { - for (zone = pgdat->node_zones; zone < pgdat->node_zones + MAX_NR_ZONES; zone++) - sum += zone->free_pages; - pgdat = pgdat->node_next; - } return sum; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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