linux-kernel - Re: [PATCH 04/11] docs/mm: bootmem: add kernel-doc description of 'struct bootmem

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Message-ID: <f276789a-f6c0-6a98-5e21-3c3c15112e80@infradead.org>
Date:   Mon, 18 Jun 2018 10:25:21 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Jonathan Corbet <corbet@....net>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-doc <linux-doc@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/11] docs/mm: bootmem: add kernel-doc description of
 'struct bootmem_data'

On 06/18/2018 09:59 AM, Mike Rapoport wrote:
> Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>
> ---
>  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