diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-05-20 00:08:52 +0300 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-05-20 00:08:52 +0300 |
| commit | a930c210c42dec32b031ad7645bd6904701b5297 (patch) | |
| tree | 55c9e201e63226ebc81137d3a5386efea3e13503 | |
| parent | 4b9ae8426cb4a9160ae41bc968391f499feece7e (diff) | |
| download | linux-a930c210c42dec32b031ad7645bd6904701b5297.tar.xz | |
mm/swap: fix the obsolete comment for SWP_TYPE_SHIFT
Since commit 3159f943aafd ("xarray: Replace exceptional entries"), there
is only one bit of 'type' can be shifted up. Update the corresponding
comment.
Link: https://lkml.kernel.org/r/20220509131416.17553-13-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/swapops.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 09945342bf76..fe220df499f1 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -13,10 +13,10 @@ * get good packing density in that tree, so the index should be dense in * the low-order bits. * - * We arrange the `type' and `offset' fields so that `type' is at the seven + * We arrange the `type' and `offset' fields so that `type' is at the six * high-order bits of the swp_entry_t and `offset' is right-aligned in the * remaining bits. Although `type' itself needs only five bits, we allow for - * shmem/tmpfs to shift it all up a further two bits: see swp_to_radix_entry(). + * shmem/tmpfs to shift it all up a further one bit: see swp_to_radix_entry(). * * swp_entry_t's are *never* stored anywhere in their arch-dependent format. */ |