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mm: update comment describing tlb_gather_mmu 

The comment describes @fullmm argument, but the function has no such
parameter.

Update the comment to match the code and convert it to kernel-doc
markup.

Link: http://lkml.kernel.org/r/1512394531-2264-1-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.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 2018-01-31 16:17:17 -08:00 committed by Linus Torvalds
parent dc88c88904
commit ef549e13cf
1 changed files with 11 additions and 4 deletions
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15
mm/memory.c
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@ -400,10 +400,17 @@ void tlb_remove_table(struct mmu_gather *tlb, void *table)
#endif /* CONFIG_HAVE_RCU_TABLE_FREE */
/* tlb_gather_mmu
* Called to initialize an (on-stack) mmu_gather structure for page-table
* tear-down from @mm. The @fullmm argument is used when @mm is without
* users and we're going to destroy the full address space (exit/execve).
/**
* tlb_gather_mmu - initialize an mmu_gather structure for page-table tear-down
* @tlb: the mmu_gather structure to initialize
* @mm: the mm_struct of the target address space
* @start: start of the region that will be removed from the page-table
* @end: end of the region that will be removed from the page-table
*
* Called to initialize an (on-stack) mmu_gather structure for page-table
* tear-down from @mm. The @start and @end are set to 0 and -1
* respectively when @mm is without users and we're going to destroy
* the full address space (exit/execve).
*/
void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
unsigned long start, unsigned long end)