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Subject[PATCH 38/43] memblock: Improve debug output when resizing the reserve array
Date
From: Yinghai Lu <yinghai@kernel.org>

Print out the location info in addition to which array is being
resized. Also use memblocK_dbg() to put that under control of
the memblock_debug flag.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
mm/memblock.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/mm/memblock.c b/mm/memblock.c
index 5499ab1..c3703ab 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -192,8 +192,6 @@ static int memblock_double_array(struct memblock_type *type)
if (!memblock_can_resize)
return -1;

- pr_debug("memblock: %s array full, doubling...", memblock_type_name(type));
-
/* Calculate new doubled size */
old_size = type->max * sizeof(struct memblock_region);
new_size = old_size << 1;
@@ -221,6 +219,9 @@ static int memblock_double_array(struct memblock_type *type)
}
new_array = __va(addr);

+ memblock_dbg("memblock: %s array is doubled to %ld at [%#010llx-%#010llx]",
+ memblock_type_name(type), type->max * 2, (u64)addr, (u64)addr + new_size - 1);
+
/* Found space, we now need to move the array over before
* we add the reserved region since it may be our reserved
* array itself that is full.
@@ -672,7 +673,7 @@ static void memblock_dump(struct memblock_type *region, char *name)
base = region->regions[i].base;
size = region->regions[i].size;

- pr_info(" %s[0x%x]\t0x%016llx - 0x%016llx, 0x%llx bytes\n",
+ pr_info(" %s[%#x]\t[%#016llx-%#016llx], %#llx bytes\n",
name, i, base, base + size - 1, size);
}
}
--
1.7.0.4


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