On Sat, 28 Mar 2015 23:08:03 +0600 Alexander Kuleshov <kuleshovmail@xxxxxxxxx> wrote:
> memblock_reserve function calls memblock_reserve_region which
> prints debugging information if 'memblock=debug' passed to the
> command line. This patch adds the same behaviour, but for the
> memblock_add function.
>
> Signed-off-by: Alexander Kuleshov <kuleshovmail@xxxxxxxxx>
> ---
> mm/memblock.c | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/mm/memblock.c b/mm/memblock.c
> index 252b77b..c7b8306 100644
> --- a/mm/memblock.c
> +++ b/mm/memblock.c
> @@ -580,10 +580,24 @@ int __init_memblock memblock_add_node(phys_addr_t base, phys_addr_t size,
> return memblock_add_range(&memblock.memory, base, size, nid, 0);
> }
>
> +static int __init_memblock memblock_add_region(phys_addr_t base,
> + phys_addr_t size,
> + int nid,
> + unsigned long flags)
> +{
> + struct memblock_type *_rgn = &memblock.memory;
> +
> + memblock_dbg("memblock_memory: [%#016llx-%#016llx] flags %#02lx %pF\n",
I guess this should be "memblock_add:". That's what
memblock_reserve_region() does?
--- a/mm/memblock.c~mm-memblock-add-debug-output-for-the-memblock_add-fix
+++ a/mm/memblock.c
@@ -587,7 +587,7 @@ static int __init_memblock memblock_add_
{
struct memblock_type *_rgn = &memblock.memory;
- memblock_dbg("memblock_memory: [%#016llx-%#016llx] flags %#02lx %pF\n",
+ memblock_dbg("memblock_add: [%#016llx-%#016llx] flags %#02lx %pF\n",
(unsigned long long)base,
(unsigned long long)base + size - 1,
flags, (void *)_RET_IP_);
_
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