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mm/mmap: fix comment of unmapped_area{_topdown}

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The low_limit of unmapped area information is inclusive, and the
hight_limit is not, so make symbol to be [ instead of (.

And replace hight_limit to high_limit.

Link: https://lkml.kernel.org/r/20230111132036.801404-1-vernon2gm@gmail.com
Fixes: 3499a13168 ("mm/mmap: use maple tree for unmapped_area{_topdown}")
Signed-off-by: Vernon Yang <vernon2gm@gmail.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Vernon Yang 2023-01-11 21:20:36 +08:00 committed by Andrew Morton
parent f942b0f052
commit 82b249361f
1 changed files with 5 additions and 5 deletions
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10
mm/mmap.c
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@ -1558,8 +1558,8 @@ static inline int accountable_mapping(struct file *file, vm_flags_t vm_flags)
* the correct alignment and offset, all from @info. Note: current->mm is used
* for the search.
*
* @info: The unmapped area information including the range (low_limit -
* hight_limit), the alignment offset and mask.
* @info: The unmapped area information including the range [low_limit -
* high_limit), the alignment offset and mask.
*
* Return: A memory address or -ENOMEM.
*/
@ -1585,11 +1585,11 @@ static unsigned long unmapped_area(struct vm_unmapped_area_info *info)
/**
* unmapped_area_topdown() - Find an area between the low_limit and the
* high_limit with * the correct alignment and offset at the highest available
* high_limit with the correct alignment and offset at the highest available
* address, all from @info. Note: current->mm is used for the search.
*
* @info: The unmapped area information including the range (low_limit -
* hight_limit), the alignment offset and mask.
* @info: The unmapped area information including the range [low_limit -
* high_limit), the alignment offset and mask.
*
* Return: A memory address or -ENOMEM.
*/