diff options
| author | Mike Rapoport <rppt@linux.vnet.ibm.com> | 2017-12-15 11:21:57 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-12-15 14:40:48 +1100 |
| commit | 54ddf8e5737ba210e3ed36deea89c13a4fbe7d5c (patch) | |
| tree | e141ce08661ad688df39ad86b4f5c7194ffccaa5 /mm | |
| parent | fdc39684ab0ac42ea1627e33286c955149858f64 (diff) | |
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: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c index 79260994b7c6..0e0a893673ed 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -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) |