diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-05-31 13:14:26 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-05-31 13:14:26 +0900 |
| commit | d5b732b17ca2fc74f370bdba5aae6c804fac8c35 (patch) | |
| tree | 4facc6d96116b032a3c1cb2ced9b2a3008e9216e /kernel/sysctl.c | |
| parent | eb6e8605ee5f5b4e116451bf01b3f35eac446dde (diff) | |
| parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 4c93486b45d..997080f00e0 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -37,6 +37,7 @@ #include <linux/highuid.h> #include <linux/writeback.h> #include <linux/ratelimit.h> +#include <linux/compaction.h> #include <linux/hugetlb.h> #include <linux/initrd.h> #include <linux/key.h> @@ -262,6 +263,11 @@ static int min_sched_shares_ratelimit = 100000; /* 100 usec */ static int max_sched_shares_ratelimit = NSEC_PER_SEC; /* 1 second */ #endif +#ifdef CONFIG_COMPACTION +static int min_extfrag_threshold; +static int max_extfrag_threshold = 1000; +#endif + static struct ctl_table kern_table[] = { { .procname = "sched_child_runs_first", @@ -1121,6 +1127,25 @@ static struct ctl_table vm_table[] = { .mode = 0644, .proc_handler = drop_caches_sysctl_handler, }, +#ifdef CONFIG_COMPACTION + { + .procname = "compact_memory", + .data = &sysctl_compact_memory, + .maxlen = sizeof(int), + .mode = 0200, + .proc_handler = sysctl_compaction_handler, + }, + { + .procname = "extfrag_threshold", + .data = &sysctl_extfrag_threshold, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = sysctl_extfrag_handler, + .extra1 = &min_extfrag_threshold, + .extra2 = &max_extfrag_threshold, + }, + +#endif /* CONFIG_COMPACTION */ { .procname = "min_free_kbytes", .data = &min_free_kbytes, @@ -2262,6 +2287,8 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, if (write) { left -= proc_skip_spaces(&kbuf); + if (!left) + break; err = proc_get_long(&kbuf, &left, &lval, &neg, proc_wspace_sep, sizeof(proc_wspace_sep), NULL); @@ -2288,7 +2315,7 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, '\n'); - if (write && !err) + if (write && !err && left) left -= proc_skip_spaces(&kbuf); free: if (write) { |