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mm/map.h: minor revision on comments and field defs

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This patch uses "struct mm_map_entry_s" instead of the non-existing
"struct mm_map_entry" with minor revision on comments.

Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
This commit is contained in:
Yanfeng Liu 2024-04-03 12:09:33 +08:00 committed by Alan Carvalho de Assis
parent 0fae71f239
commit 7523654386
1 changed files with 10 additions and 11 deletions
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21
include/nuttx/mm/map.h
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@ -44,7 +44,7 @@ struct task_group_s;
struct mm_map_entry_s struct mm_map_entry_s
{ {
FAR struct mm_map_entry *flink; /* this is used as sq_entry_t */ FAR struct mm_map_entry_s *flink; /* this is used as sq_entry_t */
FAR void *vaddr; FAR void *vaddr;
size_t length; size_t length;
off_t offset; off_t offset;
@ -56,11 +56,11 @@ struct mm_map_entry_s
int i; int i;
} priv; } priv;
/* Drivers which register mappings may also /* Drivers which register mappings may also implement the unmap function
* implement the unmap function to undo anything done in mmap. * to undo anything done in mmap.
* Nb. Implementation must NOT use "this_task()->group" since * Nb. Implementation must NOT use "this_task()->group" since it is not
* this is not valid during process exit. The argument "group" will be * valid during process exit. The argument "group" will be NULL in this
* NULL in this case. * case.
*/ */
int (*munmap)(FAR struct task_group_s *group, int (*munmap)(FAR struct task_group_s *group,
@ -69,16 +69,15 @@ struct mm_map_entry_s
size_t length); size_t length);
}; };
/* A structure for the task group */ /* memory mapping structure for the task group */
struct mm_map_s struct mm_map_s
{ {
sq_queue_t mm_map_sq; sq_queue_t mm_map_sq; /* mappings list */
size_t map_count; /* mappings list length */
size_t map_count;
#ifdef CONFIG_ARCH_VMA_MAPPING #ifdef CONFIG_ARCH_VMA_MAPPING
GRAN_HANDLE mm_map_vpages; GRAN_HANDLE mm_map_vpages; /* SHM virtual zone allocator */
#endif #endif
rmutex_t mm_map_mutex; rmutex_t mm_map_mutex;