From: Heiner Kallweit <hkallweit1@xxxxxxxxx> Subject: mm/page_alloc: switch to pr_debug Having such debug messages in the dmesg log may confuse users. Therefore restrict debug output to cases where DEBUG is defined or dynamic debugging is enabled for the respective code piece. Link: https://lkml.kernel.org/r/976adb93-3041-ce63-48fc-55a6096a51c1@xxxxxxxxx Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-switch-to-pr_debug +++ a/mm/page_alloc.c @@ -6770,9 +6770,8 @@ static __meminit void zone_pcp_init(stru zone->pageset_batch = BOOT_PAGESET_BATCH; if (populated_zone(zone)) - printk(KERN_DEBUG " %s zone: %lu pages, LIFO batch:%u\n", - zone->name, zone->present_pages, - zone_batchsize(zone)); + pr_debug(" %s zone: %lu pages, LIFO batch:%u\n", zone->name, + zone->present_pages, zone_batchsize(zone)); } void __meminit init_currently_empty_zone(struct zone *zone, @@ -7042,8 +7041,7 @@ static void __init calculate_node_totalp pgdat->node_spanned_pages = totalpages; pgdat->node_present_pages = realtotalpages; - printk(KERN_DEBUG "On node %d totalpages: %lu\n", pgdat->node_id, - realtotalpages); + pr_debug("On node %d totalpages: %lu\n", pgdat->node_id, realtotalpages); } #ifndef CONFIG_SPARSEMEM @@ -7243,9 +7241,8 @@ static void __init free_area_init_core(s if (freesize >= memmap_pages) { freesize -= memmap_pages; if (memmap_pages) - printk(KERN_DEBUG - " %s zone: %lu pages used for memmap\n", - zone_names[j], memmap_pages); + pr_debug(" %s zone: %lu pages used for memmap\n", + zone_names[j], memmap_pages); } else pr_warn(" %s zone: %lu pages exceeds freesize %lu\n", zone_names[j], memmap_pages, freesize); @@ -7254,8 +7251,7 @@ static void __init free_area_init_core(s /* Account for reserved pages */ if (j == 0 && freesize > dma_reserve) { freesize -= dma_reserve; - printk(KERN_DEBUG " %s zone: %lu pages reserved\n", - zone_names[0], dma_reserve); + pr_debug(" %s zone: %lu pages reserved\n", zone_names[0], dma_reserve); } if (!is_highmem_idx(j)) _
