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-rw-r--r--kernel/sysctl.c28
1 files changed, 4 insertions, 24 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3b05c2b..3cb1849 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -102,7 +102,9 @@ static int __maybe_unused one = 1;
static int __maybe_unused two = 2;
static unsigned long one_ul = 1;
static int one_hundred = 100;
-static int one_thousand = 1000;
+
+/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
+static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static int maxolduid = 65535;
@@ -1025,7 +1027,7 @@ static struct ctl_table vm_table[] = {
.mode = 0644,
.proc_handler = &dirty_bytes_handler,
.strategy = &sysctl_intvec,
- .extra1 = &one_ul,
+ .extra1 = &dirty_bytes_min,
},
{
.procname = "dirty_writeback_centisecs",
@@ -1050,28 +1052,6 @@ static struct ctl_table vm_table[] = {
.proc_handler = &proc_dointvec,
},
{
- .ctl_name = CTL_UNNUMBERED,
- .procname = "nr_pdflush_threads_min",
- .data = &nr_pdflush_threads_min,
- .maxlen = sizeof nr_pdflush_threads_min,
- .mode = 0644 /* read-write */,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
- .extra1 = &one,
- .extra2 = &nr_pdflush_threads_max,
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "nr_pdflush_threads_max",
- .data = &nr_pdflush_threads_max,
- .maxlen = sizeof nr_pdflush_threads_max,
- .mode = 0644 /* read-write */,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
- .extra1 = &nr_pdflush_threads_min,
- .extra2 = &one_thousand,
- },
- {
.ctl_name = VM_SWAPPINESS,
.procname = "swappiness",
.data = &vm_swappiness,
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