Messages in this thread Patch in this message | | | Subject | [RFC][PATCH 1/4] build_zonelists(): create zone_index_to_type() helper | From | Dave Hansen <> | Date | Tue, 20 Sep 2005 10:23:09 -0700 |
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The two build_zonelists() do identical conversions from a zone index variable (__GFP_*) to a zone type variable (ZONE_*). Create a common helper.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com> ---
memhotplug-dave/mm/page_alloc.c | 24 ++++++++++++++---------- 1 files changed, 14 insertions(+), 10 deletions(-)
diff -puN mm/page_alloc.c~B1-build_zonelists_unification mm/page_alloc.c --- memhotplug/mm/page_alloc.c~B1-build_zonelists_unification 2005-09-14 09:32:37.000000000 -0700 +++ memhotplug-dave/mm/page_alloc.c 2005-09-14 09:32:37.000000000 -0700 @@ -1451,6 +1451,18 @@ static int __init build_zonelists_node(p return j; } +static inline zone_index_to_type(int index) +{ + int type = ZONE_NORMAL; + + if (index & __GFP_HIGHMEM) + type = ZONE_HIGHMEM; + if (index & __GFP_DMA) + type = ZONE_DMA; + return type; +} + + #ifdef CONFIG_NUMA #define MAX_NODE_LOAD (num_online_nodes()) static int __initdata node_load[MAX_NUMNODES]; @@ -1547,11 +1559,7 @@ static void __init build_zonelists(pg_da zonelist = pgdat->node_zonelists + i; for (j = 0; zonelist->zones[j] != NULL; j++); - k = ZONE_NORMAL; - if (i & __GFP_HIGHMEM) - k = ZONE_HIGHMEM; - if (i & __GFP_DMA) - k = ZONE_DMA; + k = zone_index_to_type(i); j = build_zonelists_node(NODE_DATA(node), zonelist, j, k); zonelist->zones[j] = NULL; @@ -1572,11 +1580,7 @@ static void __init build_zonelists(pg_da zonelist = pgdat->node_zonelists + i; j = 0; - k = ZONE_NORMAL; - if (i & __GFP_HIGHMEM) - k = ZONE_HIGHMEM; - if (i & __GFP_DMA) - k = ZONE_DMA; + k = zone_index_to_type(i); j = build_zonelists_node(pgdat, zonelist, j, k); /* _ - 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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