From: Mike Rapoport <rppt@linux.vnet.ibm.com> To: Jonathan Corbet <corbet@lwn.net> Cc: Andrew Morton <akpm@linux-foundation.org>, linux-doc <linux-doc@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, lkml <linux-kernel@vger.kernel.org>, Mike Rapoport <rppt@linux.vnet.ibm.com> Subject: [PATCH 04/11] docs/mm: bootmem: add kernel-doc description of 'struct bootmem_data' Date: Mon, 18 Jun 2018 19:59:52 +0300 [thread overview] Message-ID: <1529341199-17682-5-git-send-email-rppt@linux.vnet.ibm.com> (raw) In-Reply-To: <1529341199-17682-1-git-send-email-rppt@linux.vnet.ibm.com> Signed-off-by: Mike Rapoport <rppt@linux.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; + * 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; -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Mike Rapoport <rppt@linux.vnet.ibm.com> To: Jonathan Corbet <corbet@lwn.net> Cc: Andrew Morton <akpm@linux-foundation.org>, linux-doc <linux-doc@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, lkml <linux-kernel@vger.kernel.org>, Mike Rapoport <rppt@linux.vnet.ibm.com> Subject: [PATCH 04/11] docs/mm: bootmem: add kernel-doc description of 'struct bootmem_data' Date: Mon, 18 Jun 2018 19:59:52 +0300 [thread overview] Message-ID: <1529341199-17682-5-git-send-email-rppt@linux.vnet.ibm.com> (raw) In-Reply-To: <1529341199-17682-1-git-send-email-rppt@linux.vnet.ibm.com> Signed-off-by: Mike Rapoport <rppt@linux.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; + * 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; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-06-18 17:01 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-18 16:59 [PATCH 00/11] docs/mm: add boot time memory management docs Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 01/11] mm/bootmem: drop duplicated kernel-doc comments Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 02/11] docs/mm: nobootmem: fixup " Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 03/11] docs/mm: bootmem: fix kernel-doc warnings Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport [this message] 2018-06-18 16:59 ` [PATCH 04/11] docs/mm: bootmem: add kernel-doc description of 'struct bootmem_data' Mike Rapoport 2018-06-18 17:25 ` Randy Dunlap 2018-06-18 17:25 ` Randy Dunlap 2018-06-18 16:59 ` [PATCH 05/11] docs/mm: bootmem: add overview documentation Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 17:15 ` Randy Dunlap 2018-06-18 17:15 ` Randy Dunlap 2018-06-18 16:59 ` [PATCH 06/11] mm/memblock: add a name for memblock flags enumeration Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 07/11] docs/mm: memblock: update kernel-doc comments Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 08/11] docs/mm: memblock: add kernel-doc comments for memblock_add[_node] Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 09/11] docs/mm: memblock: add kernel-doc description for memblock types Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 16:59 ` [PATCH 10/11] docs/mm: memblock: add overview documentation Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 17:21 ` Randy Dunlap 2018-06-18 17:21 ` Randy Dunlap 2018-06-18 16:59 ` [PATCH 11/11] docs/mm: add description of boot time memory management Mike Rapoport 2018-06-18 16:59 ` Mike Rapoport 2018-06-18 17:32 ` Randy Dunlap 2018-06-18 17:32 ` Randy Dunlap
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