We don't need explicit 'CMA:' prefix, since we already define prefix 'cma:' in pr_fmt. So remove it. And, some logs print function name and others doesn't. This looks bad to me, so I unify log format to print function name consistently. Lastly, I add one more debug log on cma_activate_area(). Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c index 83969f8..bd0bb81 100644 --- a/drivers/base/dma-contiguous.c +++ b/drivers/base/dma-contiguous.c @@ -144,7 +144,7 @@ void __init dma_contiguous_reserve(phys_addr_t limit) } if (selected_size && !dma_contiguous_default_area) { - pr_debug("%s: reserving %ld MiB for global area\n", __func__, + pr_debug("%s(): reserving %ld MiB for global area\n", __func__, (unsigned long)selected_size / SZ_1M); dma_contiguous_reserve_area(selected_size, selected_base, @@ -163,8 +163,9 @@ static int __init cma_activate_area(struct cma *cma) unsigned i = cma->count >> pageblock_order; struct zone *zone; - cma->bitmap = kzalloc(bitmap_size, GFP_KERNEL); + pr_debug("%s()\n", __func__); + cma->bitmap = kzalloc(bitmap_size, GFP_KERNEL); if (!cma->bitmap) return -ENOMEM; @@ -234,7 +235,8 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, /* Sanity checks */ if (cma_area_count == ARRAY_SIZE(cma_areas)) { - pr_err("Not enough slots for CMA reserved regions!\n"); + pr_err("%s(): Not enough slots for CMA reserved regions!\n", + __func__); return -ENOSPC; } @@ -274,14 +276,15 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, *res_cma = cma; cma_area_count++; - pr_info("CMA: reserved %ld MiB at %08lx\n", (unsigned long)size / SZ_1M, - (unsigned long)base); + pr_info("%s(): reserved %ld MiB at %08lx\n", + __func__, (unsigned long)size / SZ_1M, (unsigned long)base); /* Architecture specific contiguous memory fixup. */ dma_contiguous_early_fixup(base, size); return 0; err: - pr_err("CMA: failed to reserve %ld MiB\n", (unsigned long)size / SZ_1M); + pr_err("%s(): failed to reserve %ld MiB\n", + __func__, (unsigned long)size / SZ_1M); return ret; } -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>