diff options
| author | Kaixiong Yu <yukaixiong@huawei.com> | 2025-01-11 15:07:38 +0800 |
|---|---|---|
| committer | Joel Granados <joel.granados@kernel.org> | 2025-02-07 16:53:04 +0100 |
| commit | 7e05627ee17bf30422705f94627cf9da70683887 (patch) | |
| tree | 3e6ec6e05982de9afb488e0aa400d7383dfe5c09 /mm/swap.c | |
| parent | 73aa354af21d4c09b31e9b287f4cb32a9b4e9c8c (diff) | |
mm: swap: move sysctl to mm/swap.c
The page-cluster belongs to mm/swap.c, move it to mm/swap.c .
Removes the redundant external variable declaration and unneeded
include(linux/swap.h).
Signed-off-by: Kaixiong Yu <yukaixiong@huawei.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Joel Granados <joel.granados@kernel.org>
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/mm/swap.c b/mm/swap.c index fc8281ef4241..b81cce146eb2 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 { /* @@ -1076,6 +1076,18 @@ 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 +1104,6 @@ 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); } |