On 06/18/2018 09:59 AM, Mike Rapoport wrote:
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
> ---
> include/linux/bootmem.h | 17 ++++++++++++++---
> 1 file changed, 14 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
> index 7942a96..1526ba1 100644
> --- a/include/linux/bootmem.h
> +++ b/include/linux/bootmem.h
> @@ -27,9 +27,20 @@ extern unsigned long max_pfn;
> extern unsigned long long max_possible_pfn;
>
> #ifndef CONFIG_NO_BOOTMEM
> -/*
> - * node_bootmem_map is a map pointer - the bits represent all physical
> - * memory pages (including holes) on the node.
> +/**
> + * struct bootmem_data - per-node information used by the bootmem allocator
> + * @node_min_pfn: the starting physical address of the node's memory
> + * @node_low_pfn: the end physical address of the directly addressable memory
> + * @node_bootmem_map: is a bitmap pointer - the bits represent all physical
> + * memory pages (including holes) on the node.
> + * @last_end_off: the offset within the page of the end of the last allocation;
> + * if 0, the page used is full
> + * @hint_idx: the the PFN of the page used with the last allocation;
drop one "the" above.
> + * together with using this with the @last_end_offset field,
> + * a test can be made to see if allocations can be merged
> + * with the page used for the last allocation rather than
> + * using up a full new page.
> + * @list: list entry in the linked list ordered by the memory addresses
> */
> typedef struct bootmem_data {
> unsigned long node_min_pfn;
>
--
~Randy
