diff options
| author | Andrew Morton <akpm@zip.com.au> | 2002-06-17 20:17:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2002-06-17 20:17:21 -0700 |
| commit | e3e529bfc6d7ed94570b36fdf6cf3c9935e9a7c4 (patch) | |
| tree | 5a38204aab25da75184416e565e7f07d78fa1ce9 /kernel | |
| parent | 88bccfb722a28584970601aa8963ddaaca3d147b (diff) | |
[PATCH] writeback tunables
Adds five sysctls for tuning the writeback behaviour:
dirty_async_ratio
dirty_background_ratio
dirty_sync_ratio
dirty_expire_centisecs
dirty_writeback_centisecs
these are described in Documentation/filesystems/proc.txt They are
basically the tradiditional knobs which we've always had...
We are accreting a ton of obsolete sysctl numbers under /proc/sys/vm/.
I didn't recycle these - just mark them unused and remove the obsolete
documentation.
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sysctl.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 7eb271716af9..f0c6215b1718 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -31,6 +31,7 @@ #include <linux/init.h> #include <linux/sysrq.h> #include <linux/highuid.h> +#include <linux/writeback.h> #include <asm/uaccess.h> @@ -264,6 +265,19 @@ static ctl_table vm_table[] = { &pager_daemon, sizeof(pager_daemon_t), 0644, NULL, &proc_dointvec}, {VM_PAGE_CLUSTER, "page-cluster", &page_cluster, sizeof(int), 0644, NULL, &proc_dointvec}, + {VM_DIRTY_BACKGROUND, "dirty_background_ratio", + &dirty_background_ratio, sizeof(dirty_background_ratio), + 0644, NULL, &proc_dointvec}, + {VM_DIRTY_ASYNC, "dirty_async_ratio", &dirty_async_ratio, + sizeof(dirty_async_ratio), 0644, NULL, &proc_dointvec}, + {VM_DIRTY_SYNC, "dirty_sync_ratio", &dirty_sync_ratio, + sizeof(dirty_sync_ratio), 0644, NULL, &proc_dointvec}, + {VM_DIRTY_WB_CS, "dirty_writeback_centisecs", + &dirty_writeback_centisecs, sizeof(dirty_writeback_centisecs), 0644, + NULL, &proc_dointvec}, + {VM_DIRTY_EXPIRE_CS, "dirty_expire_centisecs", + &dirty_expire_centisecs, sizeof(dirty_expire_centisecs), 0644, + NULL, &proc_dointvec}, {0} }; |