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authorMike Rapoport <rppt@linux.vnet.ibm.com>2018-01-31 16:17:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 17:18:37 -0800
commitef549e13cf62733097eb1f7a9f44b2cea1611007 (patch)
tree3e03f31732307485d8d091b7ee9e417c64d32da6 /mm/memory.c
parentdc88c88904b8c5eb749874aecc278146b6ae02f3 (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: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 793004608332..82a0577933aa 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)