linux-kernel - [PATCH v2 09/11] docs/mm: memblock: add kernel-doc description for memblock types

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Date:   Sat, 30 Jun 2018 17:55:04 +0300
From:   Mike Rapoport <rppt@...ux.vnet.ibm.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        linux-doc <linux-doc@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>
Subject: [PATCH v2 09/11] docs/mm: memblock: add kernel-doc description for memblock types

Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>
---
 include/linux/memblock.h | 37 +++++++++++++++++++++++++++++++++----
 1 file changed, 33 insertions(+), 4 deletions(-)

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 63704c6..5169205 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -20,7 +20,13 @@
 #define INIT_MEMBLOCK_REGIONS	128
 #define INIT_PHYSMEM_REGIONS	4
 
-/* Definition of memblock flags. */
+/**
+ * enum memblock_flags - definition of memory region attributes
+ * @MEMBLOCK_NONE: no special request
+ * @MEMBLOCK_HOTPLUG: hotpluggable region
+ * @MEMBLOCK_MIRROR: mirrored region
+ * @MEMBLOCK_NOMAP: don't add to kernel direct mapping
+ */
 enum memblock_flags {
 	MEMBLOCK_NONE		= 0x0,	/* No special request */
 	MEMBLOCK_HOTPLUG	= 0x1,	/* hotpluggable region */
@@ -28,6 +34,13 @@ enum memblock_flags {
 	MEMBLOCK_NOMAP		= 0x4,	/* don't add to kernel direct mapping */
 };
 
+/**
+ * struct memblock_region - represents a memory region
+ * @base: physical address of the region
+ * @size: size of the region
+ * @flags: memory region attributes
+ * @nid: NUMA node id
+ */
 struct memblock_region {
 	phys_addr_t base;
 	phys_addr_t size;
@@ -37,14 +50,30 @@ struct memblock_region {
 #endif
 };
 
+/**
+ * struct memblock_type - collection of memory regions of certain type
+ * @cnt: number of regions
+ * @max: size of the allocated array
+ * @total_size: size of all regions
+ * @regions: array of regions
+ * @name: the memory type symbolic name
+ */
 struct memblock_type {
-	unsigned long cnt;	/* number of regions */
-	unsigned long max;	/* size of the allocated array */
-	phys_addr_t total_size;	/* size of all regions */
+	unsigned long cnt;
+	unsigned long max;
+	phys_addr_t total_size;
 	struct memblock_region *regions;
 	char *name;
 };
 
+/**
+ * struct memblock - memblock allocator metadata
+ * @bottom_up: is bottom up direction?
+ * @current_limit: physical address of the current allocation limit
+ * @memory: usabe memory regions
+ * @reserved: reserved memory regions
+ * @physmem: all physical memory
+ */
 struct memblock {
 	bool bottom_up;  /* is bottom up direction? */
 	phys_addr_t current_limit;
-- 
2.7.4