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Subject[PATCH 3/6] x86: Minimize initial Bootmem messages
The majority of Bootmem setup information is repeated for
every node. Minimize the output by showing early reservations
only once unless it changes for a specific node, and condense
the first three lines into one line.

Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Jack Steiner <steiner@sgi.com>
Reviewed-by: Robin Holt <holt@sgi.com>
---
arch/x86/kernel/e820.c | 31 ++++++++++++++++++++++---------
arch/x86/mm/numa_64.c | 12 +++---------
2 files changed, 25 insertions(+), 18 deletions(-)
--- linux-2.6.32.orig/arch/x86/kernel/e820.c
+++ linux-2.6.32/arch/x86/kernel/e820.c
@@ -922,29 +922,42 @@ void __init free_early(u64 start, u64 en

void __init early_res_to_bootmem(u64 start, u64 end)
{
- int i, count;
+ int i, count, same = 1;
u64 final_start, final_end;
+ static struct early_res pres[MAX_EARLY_RES];

count = 0;
- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++)
+ for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
+ /* remove redundant messages */
+ if (pres[i].start != early_res[i].start ||
+ pres[i].end != early_res[i].end) {
+ pres[i].start = early_res[i].start;
+ pres[i].end = early_res[i].end;
+ same = 0;
+ }
count++;
+ }
+ if (same) {
+ pr_cont("ER:%d %llx+%llx\n", count, start, end-start);
+ return;
+ }
+
+ pr_info("Early Reservations: %d [%llx+%llx]\n",
+ count, start, end-start);

- printk(KERN_INFO "(%d early reservations) ==> bootmem [%010llx - %010llx]\n",
- count, start, end);
for (i = 0; i < count; i++) {
struct early_res *r = &early_res[i];
- printk(KERN_INFO " #%d [%010llx - %010llx] %16s", i,
+ pr_info(" #%d [%010llx - %010llx] %16s", i,
r->start, r->end, r->name);
final_start = max(start, r->start);
final_end = min(end, r->end);
if (final_start >= final_end) {
- printk(KERN_CONT "\n");
+ pr_cont("\n");
continue;
}
- printk(KERN_CONT " ==> [%010llx - %010llx]\n",
- final_start, final_end);
+ pr_cont(" ==> [%010llx - %010llx]\n", final_start, final_end);
reserve_bootmem_generic(final_start, final_end - final_start,
- BOOTMEM_DEFAULT);
+ BOOTMEM_DEFAULT);
}
}

--- linux-2.6.32.orig/arch/x86/mm/numa_64.c
+++ linux-2.6.32/arch/x86/mm/numa_64.c
@@ -201,9 +201,6 @@ setup_node_bootmem(int nodeid, unsigned

start = roundup(start, ZONE_ALIGN);

- printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid,
- start, end);
-
start_pfn = start >> PAGE_SHIFT;
last_pfn = end >> PAGE_SHIFT;

@@ -219,8 +216,6 @@ setup_node_bootmem(int nodeid, unsigned
if (node_data[nodeid] == (void *)cache_alias_offset)
return;
nodedata_phys = __pa(node_data[nodeid]);
- printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys,
- nodedata_phys + pgdat_size - 1);

memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t));
NODE_DATA(nodeid)->bdata = &bootmem_node_data[nodeid];
@@ -258,12 +253,11 @@ setup_node_bootmem(int nodeid, unsigned
bootmap_start >> PAGE_SHIFT,
start_pfn, last_pfn);

- printk(KERN_INFO " bootmap [%016lx - %016lx] pages %lx\n",
- bootmap_start, bootmap_start + bootmap_size - 1,
- bootmap_pages);
-
free_bootmem_with_active_regions(nodeid, end);

+ pr_info("Bootmem Node %d: data %lx map %lx+%lx pgs %lx ",
+ nodeid, start, bootmap_start, bootmap_size, bootmap_pages);
+
/*
* convert early reserve to bootmem reserve earlier
* otherwise early_node_mem could use early reserved mem
--


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