diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/swiotlb.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 1665a9ce8f94..318bb1beb07f 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -102,10 +102,10 @@ struct io_tlb_pool { * @pools: List of IO TLB memory pool descriptors (if dynamic). * @dyn_alloc: Dynamic IO TLB pool allocation work. * @total_used: The total number of slots in the pool that are currently used - * across all areas. Used only for calculating used_hiwater in - * debugfs. - * @used_hiwater: The high water mark for total_used. Used only for reporting - * in debugfs. + * across all areas. Used only for calculating used_hiwater via boot + * parameter swiotlb=track_hiwater and exposed via debugfs. + * @used_hiwater: The high water mark for total_used. Can be enabled at boot + * time via swiotlb=track_hiwater and exposed via debugfs. * @transient_nslabs: The total number of slots in all transient pools that * are currently used across all areas. */ |