diff options
| author | Arve Hjønnevåg <arve@android.com> | 2009-02-17 14:51:02 -0800 |
|---|---|---|
| committer | Arve Hjønnevåg <arve@android.com> | 2013-07-01 13:40:18 -0700 |
| commit | 6df890364b72edc57fb74aa0f59668450fa678ff (patch) | |
| tree | 5f9f93625ad99e65356a1edc02835aa376cd7862 /kernel/sysctl.c | |
| parent | 4dd5d0b12965bd30423fbdf4ee6763226dedc83c (diff) | |
mm: Add min_free_order_shift tunable.
By default the kernel tries to keep half as much memory free at each
order as it does for one order below. This can be too agressive when
running without swap.
Change-Id: I5efc1a0b50f41ff3ac71e92d2efd175dedd54ead
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 9edcf456e0f..1a07798c914 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -105,6 +105,7 @@ extern char core_pattern[]; extern unsigned int core_pipe_limit; #endif extern int pid_max; +extern int min_free_order_shift; extern int pid_max_min, pid_max_max; extern int percpu_pagelist_fraction; extern int compat_log; @@ -1266,6 +1267,13 @@ static struct ctl_table vm_table[] = { .extra1 = &zero, }, { + .procname = "min_free_order_shift", + .data = &min_free_order_shift, + .maxlen = sizeof(min_free_order_shift), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { .procname = "percpu_pagelist_fraction", .data = &percpu_pagelist_fraction, .maxlen = sizeof(percpu_pagelist_fraction), |