Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH 19/31] lmb: Use lmb_debug to control debug message print out | Date | Sun, 28 Mar 2010 19:43:12 -0700 |
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Also let reserve_lmb/free_lmb could print out name if lmb=debug is specified
Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- mm/lmb.c | 29 +++++++++++++++++++++-------- 1 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/mm/lmb.c b/mm/lmb.c index a709522..91a2b33 100644 --- a/mm/lmb.c +++ b/mm/lmb.c @@ -600,8 +600,9 @@ static void __init __check_and_double_region_array(struct lmb_region *type, memset(&old[0], 0, sizeof(struct lmb_property) * rgnsz); type->region = new; type->nr_regions = rgnsz * 2; - printk(KERN_DEBUG "lmb.reserved.region array is doubled to %ld at [%llx - %llx]\n", - type->nr_regions, mem, mem + size - 1); + if (lmb_debug) + pr_info("lmb.reserved.region array is doubled to %ld at [%010llx - %010llx]\n", + type->nr_regions, mem, mem + size - 1); /* Reserve new array and free old one */ lmb_reserve(mem, sizeof(struct lmb_property) * rgnsz * 2); @@ -629,6 +630,8 @@ void __init reserve_lmb(u64 start, u64 end, char *name) if (WARN_ONCE(start > end, "reserve_lmb: wrong range [%#llx, %#llx]\n", start, end)) return; + if (lmb_debug) + pr_info(" reserve_lmb: [%010llx, %010llx] %16s\n", start, end, name); __reserve_lmb(start, end, name); } @@ -645,6 +648,8 @@ void __init reserve_lmb_overlap_ok(u64 start, u64 end, char *name) if (WARN_ONCE(start > end, "reserve_lmb_overlap_ok: wrong range [%#llx, %#llx]\n", start, end)) return; + if (lmb_debug) + pr_info(" reserve_lmb_overlap_ok: [%010llx, %010llx] %16s\n", start, end, name); /* Free that region at first */ lmb_free(start, end - start); __reserve_lmb(start, end, name); @@ -658,6 +663,8 @@ void __init free_lmb(u64 start, u64 end) if (WARN_ONCE(start > end, "free_lmb: wrong range [%#llx, %#llx]\n", start, end)) return; + if (lmb_debug) + pr_info(" free_lmb: [%010llx, %010llx]\n", start, end); /* keep punching hole, could run out of slots too */ __check_and_double_region_array(&lmb.reserved, &lmb_reserved_region[0], start, end); lmb_free(start, end - start); @@ -698,11 +705,13 @@ static void __init subtract_lmb_reserved(struct range *range, int az) count = lmb.reserved.cnt; - pr_info("Subtract (%d early reservations)\n", count); + if (lmb_debug) + pr_info("Subtract (%d early reservations)\n", count); for (i = 0; i < count; i++) { struct lmb_property *r = &lmb.reserved.region[i]; - pr_info(" #%d [%010llx - %010llx]\n", i, r->base, r->base + r->size); + if (lmb_debug) + pr_info(" #%03d [%010llx - %010llx]\n", i, r->base, r->base + r->size); final_start = PFN_DOWN(r->base); final_end = PFN_UP(r->base + r->size); if (final_start >= final_end) @@ -758,17 +767,21 @@ void __init lmb_to_bootmem(u64 start, u64 end) lmb_free(__pa(lmb.reserved.region), sizeof(struct lmb_property) * lmb.reserved.nr_regions); count = lmb.reserved.cnt; - pr_info("(%d early reservations) ==> bootmem [%010llx - %010llx]\n", count, start, end); + if (lmb_debug) + pr_info("(%d early reservations) ==> bootmem [%010llx - %010llx]\n", count, start, end); for (i = 0; i < count; i++) { struct lmb_property *r = &lmb.reserved.region[i]; - pr_info(" #%d [%010llx - %010llx] ", i, r->base, r->base + r->size); + if (lmb_debug) + pr_info(" #%03d [%010llx - %010llx] ", i, r->base, r->base + r->size); final_start = max(start, r->base); final_end = min(end, r->base + r->size); if (final_start >= final_end) { - pr_cont("\n"); + if (lmb_debug) + pr_cont("\n"); continue; } - pr_cont(" ==> [%010llx - %010llx]\n", final_start, final_end); + if (lmb_debug) + pr_cont(" ==> [%010llx - %010llx]\n", final_start, final_end); reserve_bootmem_generic(final_start, final_end - final_start, BOOTMEM_DEFAULT); } /* Clear them to avoid misusing ? */ -- 1.6.4.2
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