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mm/mmzone.h: fix existing kernel-doc comments and link them to core-api

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There are a couple of kernel-doc comments in include/linux/mmzone.h but
they have minor formatting issues that would cause kernel-doc warnings.

Fix the formatting of those comments, add missing Return: descriptions and
link include/linux/mmzone.h to Documentation/core-api/mm-api.rst

Link: https://lkml.kernel.org/r/20210426141927.1314326-2-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2021-04-29 23:02:16 -07:00 • committed by Linus Torvalds
parent 9df65f5225
commit 198fba4137
2 changed files with 25 additions and 19 deletions
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1
Documentation/core-api/mm-api.rst
View file

@ -97,3 +97,4 @@ More Memory Management Functions
:internal:
.. kernel-doc:: include/linux/mm.h
:internal:
.. kernel-doc:: include/linux/mmzone.h

43
include/linux/mmzone.h
View file

@ -993,7 +993,8 @@ static inline int is_highmem_idx(enum zone_type idx)
* is_highmem - helper function to quickly check if a struct zone is a
* highmem zone or not. This is an attempt to keep references
* to ZONE_{DMA/NORMAL/HIGHMEM/etc} in general code to a minimum.
* @zone - pointer to struct zone variable
* @zone: pointer to struct zone variable
* Return: 1 for a highmem zone, 0 otherwise
*/
static inline int is_highmem(struct zone *zone)
{
@ -1044,7 +1045,7 @@ extern struct zone *next_zone(struct zone *zone);
/**
* for_each_online_pgdat - helper macro to iterate over all online nodes
* @pgdat - pointer to a pg_data_t variable
* @pgdat: pointer to a pg_data_t variable
*/
#define for_each_online_pgdat(pgdat) \
for (pgdat = first_online_pgdat(); \
@ -1052,7 +1053,7 @@ extern struct zone *next_zone(struct zone *zone);
pgdat = next_online_pgdat(pgdat))
/**
* for_each_zone - helper macro to iterate over all memory zones
* @zone - pointer to struct zone variable
* @zone: pointer to struct zone variable
*
* The user only needs to declare the zone variable, for_each_zone
* fills it in.
@ -1091,15 +1092,18 @@ struct zoneref *__next_zones_zonelist(struct zoneref *z,
/**
* next_zones_zonelist - Returns the next zone at or below highest_zoneidx within the allowed nodemask using a cursor within a zonelist as a starting point
* @z - The cursor used as a starting point for the search
* @highest_zoneidx - The zone index of the highest zone to return
* @nodes - An optional nodemask to filter the zonelist with
* @z: The cursor used as a starting point for the search
* @highest_zoneidx: The zone index of the highest zone to return
* @nodes: An optional nodemask to filter the zonelist with
*
* This function returns the next zone at or below a given zone index that is
* within the allowed nodemask using a cursor as the starting point for the
* search. The zoneref returned is a cursor that represents the current zone
* being examined. It should be advanced by one before calling
* next_zones_zonelist again.
*
* Return: the next zone at or below highest_zoneidx within the allowed
* nodemask using a cursor within a zonelist as a starting point
*/
static __always_inline struct zoneref *next_zones_zonelist(struct zoneref *z,
enum zone_type highest_zoneidx,
@ -1112,10 +1116,9 @@ static __always_inline struct zoneref *next_zones_zonelist(struct zoneref *z,
/**
* first_zones_zonelist - Returns the first zone at or below highest_zoneidx within the allowed nodemask in a zonelist
* @zonelist - The zonelist to search for a suitable zone
* @highest_zoneidx - The zone index of the highest zone to return
* @nodes - An optional nodemask to filter the zonelist with
* @return - Zoneref pointer for the first suitable zone found (see below)
* @zonelist: The zonelist to search for a suitable zone
* @highest_zoneidx: The zone index of the highest zone to return
* @nodes: An optional nodemask to filter the zonelist with
*
* This function returns the first zone at or below a given zone index that is
* within the allowed nodemask. The zoneref returned is a cursor that can be
@ -1125,6 +1128,8 @@ static __always_inline struct zoneref *next_zones_zonelist(struct zoneref *z,
* When no eligible zone is found, zoneref->zone is NULL (zoneref itself is
* never NULL). This may happen either genuinely, or due to concurrent nodemask
* update due to cpuset modification.
*
* Return: Zoneref pointer for the first suitable zone found
*/
static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
enum zone_type highest_zoneidx,
@ -1136,11 +1141,11 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
/**
* for_each_zone_zonelist_nodemask - helper macro to iterate over valid zones in a zonelist at or below a given zone index and within a nodemask
* @zone - The current zone in the iterator
* @z - The current pointer within zonelist->_zonerefs being iterated
* @zlist - The zonelist being iterated
* @highidx - The zone index of the highest zone to return
* @nodemask - Nodemask allowed by the allocator
* @zone: The current zone in the iterator
* @z: The current pointer within zonelist->_zonerefs being iterated
* @zlist: The zonelist being iterated
* @highidx: The zone index of the highest zone to return
* @nodemask: Nodemask allowed by the allocator
*
* This iterator iterates though all zones at or below a given zone index and
* within a given nodemask
@ -1160,10 +1165,10 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
/**
* for_each_zone_zonelist - helper macro to iterate over valid zones in a zonelist at or below a given zone index
* @zone - The current zone in the iterator
* @z - The current pointer within zonelist->zones being iterated
* @zlist - The zonelist being iterated
* @highidx - The zone index of the highest zone to return
* @zone: The current zone in the iterator
* @z: The current pointer within zonelist->zones being iterated
* @zlist: The zonelist being iterated
* @highidx: The zone index of the highest zone to return
*
* This iterator iterates though all zones at or below a given zone index.
*/