Messages in this thread Patch in this message | | | Date | Fri, 7 Jul 2006 17:05:17 -0700 (PDT) | From | Christoph Lameter <> | Subject | [RFC 3/8] eventcounters: Optional ZONE_DMA |
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vmstat: Make ZONE_DMA support configurable
Do not display ZONE_DMA counters if no DMA zone is available.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Index: linux-2.6.17-mm6/include/linux/vmstat.h =================================================================== --- linux-2.6.17-mm6.orig/include/linux/vmstat.h 2006-07-06 18:44:59.763286559 -0700 +++ linux-2.6.17-mm6/include/linux/vmstat.h 2006-07-06 19:59:53.254972797 -0700 @@ -18,6 +18,12 @@ * generated will simply be the increment of a global address. */ +#ifdef CONFIG_ZONE_DMA +#define DMA_ZONE(xx) xx##_DMA, +#else +#define DMA_ZONE(xx) +#endif + #ifdef CONFIG_ZONE_DMA32 #define DMA32_ZONE(xx) xx##_DMA32, #else @@ -30,7 +36,7 @@ #define HIGHMEM_ZONE(xx) #endif -#define FOR_ALL_ZONES(xx) xx##_DMA, DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) +#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, FOR_ALL_ZONES(PGALLOC), @@ -88,9 +94,13 @@ extern void vm_events_fold_cpu(int cpu); #endif /* CONFIG_VM_EVENT_COUNTERS */ +#ifdef CONFIG_ZONE_DMA #define __count_zone_vm_events(item, zone, delta) \ __count_vm_events(item##_DMA + zone_idx(zone), delta) - +#else +#define __count_zone_vm_events(item, zone, delta) \ + __count_vm_events(item##_NORMAL + zone_idx(zone), delta) +#endif /* * Zone based page accounting with per cpu differentials. */ @@ -136,14 +146,16 @@ static inline unsigned long node_page_st struct zone *zones = NODE_DATA(node)->node_zones; return +#ifdef CONFIG_ZONE_DMA + zone_page_state(&zones[ZONE_DMA], item) + +#endif #ifdef CONFIG_ZONE_DMA32 zone_page_state(&zones[ZONE_DMA32], item) + #endif - zone_page_state(&zones[ZONE_NORMAL], item) + #ifdef CONFIG_HIGHMEM zone_page_state(&zones[ZONE_HIGHMEM], item) + #endif - zone_page_state(&zones[ZONE_DMA], item); + zone_page_state(&zones[ZONE_NORMAL], item); } extern void zone_statistics(struct zonelist *, struct zone *); Index: linux-2.6.17-mm6/mm/vmstat.c =================================================================== --- linux-2.6.17-mm6.orig/mm/vmstat.c 2006-07-06 18:44:59.764263061 -0700 +++ linux-2.6.17-mm6/mm/vmstat.c 2006-07-06 22:32:29.382408873 -0700 @@ -381,6 +381,12 @@ struct seq_operations fragmentation_op = .show = frag_show, }; +#ifdef CONFIG_ZONE_DMA +#define TEXT_FOR_DMA(xx) xx "_dma", +#else +#define TEXT_FOR_DMA(xx) +#endif + #ifdef CONFIG_ZONE_DMA32 #define TEXT_FOR_DMA32(xx) xx "_dma32", #else @@ -393,7 +399,7 @@ struct seq_operations fragmentation_op = #define TEXT_FOR_HIGHMEM(xx) #endif -#define TEXTS_FOR_ZONES(xx) xx "_dma", TEXT_FOR_DMA32(xx) xx "_normal", \ +#define TEXTS_FOR_ZONES(xx) TEXT_FOR_DMA(xx) TEXT_FOR_DMA32(xx) xx "_normal", \ TEXT_FOR_HIGHMEM(xx) static char *vmstat_text[] = { - 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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