diff options
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/mm/swap.c b/mm/swap.c index fc8281ef4241..77b2d5997873 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -45,7 +45,7 @@ /* How many pages do we try to swap or page in/out together? As a power of 2 */ int page_cluster; -const int page_cluster_max = 31; +static const int page_cluster_max = 31; struct cpu_fbatches { /* @@ -956,8 +956,6 @@ void folios_put_refs(struct folio_batch *folios, unsigned int *refs) unlock_page_lruvec_irqrestore(lruvec, flags); lruvec = NULL; } - if (put_devmap_managed_folio_refs(folio, nr_refs)) - continue; if (folio_ref_sub_and_test(folio, nr_refs)) free_zone_device_folio(folio); continue; @@ -1076,6 +1074,18 @@ void folio_batch_remove_exceptionals(struct folio_batch *fbatch) fbatch->nr = j; } +static const struct ctl_table swap_sysctl_table[] = { + { + .procname = "page-cluster", + .data = &page_cluster, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = (void *)&page_cluster_max, + } +}; + /* * Perform any setup for the swap system */ @@ -1092,4 +1102,6 @@ void __init swap_setup(void) * Right now other parts of the system means that we * _really_ don't want to cluster much more */ + + register_sysctl_init("vm", swap_sysctl_table); } |