Re: [PATCH v4 2/2] drivers/base/memory.c: Rename the misleading parameter

From: Oscar Salvador
Date: Fri Mar 29 2019 - 06:32:06 EST


On Fri, Mar 29, 2019 at 05:36:59PM +0800, Baoquan He wrote:
> The input parameter 'phys_index' of memory_block_action() is actually
> the section number, but not the phys_index of memory_block. This is
> a relict from the past when one memory block could only contain one
> section.
>
> Rename it to start_section_nr.
>
> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>


> ---
> drivers/base/memory.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/base/memory.c b/drivers/base/memory.c
> index cb8347500ce2..9ea972b2ae79 100644
> --- a/drivers/base/memory.c
> +++ b/drivers/base/memory.c
> @@ -231,13 +231,14 @@ static bool pages_correctly_probed(unsigned long start_pfn)
> * OK to have direct references to sparsemem variables in here.
> */
> static int
> -memory_block_action(unsigned long phys_index, unsigned long action, int online_type)
> +memory_block_action(unsigned long start_section_nr, unsigned long action,
> + int online_type)
> {
> unsigned long start_pfn;
> unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block;
> int ret;
>
> - start_pfn = section_nr_to_pfn(phys_index);
> + start_pfn = section_nr_to_pfn(start_section_nr);
>
> switch (action) {
> case MEM_ONLINE:
> @@ -251,7 +252,7 @@ memory_block_action(unsigned long phys_index, unsigned long action, int online_t
> break;
> default:
> WARN(1, KERN_WARNING "%s(%ld, %ld) unknown action: "
> - "%ld\n", __func__, phys_index, action, action);
> + "%ld\n", __func__, start_section_nr, action, action);
> ret = -EINVAL;
> }
>
> --
> 2.17.2
>

--
Oscar Salvador
SUSE L3