Messages in this thread Patch in this message | | | Date | Thu, 26 Feb 1998 17:35:41 -0000 (GMT) | From | Mike Bristow <> | Subject | RE: DOCUMENTATION: /proc/sys/vm & /proc/sys/kernel |
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On 26-Feb-98 Rik van Riel wrote: > And linux-kernel people, if there's some spelling bee > out there, please proofread and correct my documents :-)
Bzzzzz.
diff -ru sysctl.old/README sysctl/README --- sysctl.old/README Thu Feb 26 02:43:35 1998 +++ sysctl/README Thu Feb 26 17:13:42 1998 @@ -26,7 +26,7 @@ screwed up your system because of wrong documentation, I won't feel sorry for you. I might even laugh at you... -But ofcourse, if you _do_ manage to screw up your system using +But of course, if you _do_ manage to screw up your system using only the sysctl options used in this file, I'd like to hear of it. Not only to have a great laugh, but also to make sure that you're the last RTFMing person to screw up. @@ -51,12 +51,13 @@ - knowledge of what all those values mean As a quick 'ls /proc/sys' will show, the directory consists of -several (arch-dependant?) subdirs. Each subdir is mainly about +several (arch-dependent?) subdirs. Each subdir is mainly about one part of the kernel, so you can do configuration on a piece by piece basis, or just some 'thematic frobbing'. The subdirs are about: debug/ <empty> +dev/ device specific information (eg dev/cdrom/info) fs/ specific filesystems binfmt_misc <linux/Documentation/binfmt_misc.txt> kernel/ global kernel info / tuning diff -ru sysctl.old/kernel.txt sysctl/kernel.txt --- sysctl.old/kernel.txt Thu Feb 26 05:00:03 1998 +++ sysctl/kernel.txt Thu Feb 26 17:33:20 1998 @@ -10,7 +10,7 @@ /proc/sys/kernel/ and is valid for Linux kernel version 2.1. The files in this directory can be used to tune and monitor -miscelaneous and general things in the operation of the Linux +miscellaneous and general things in the operation of the Linux kernel. Since some of the files _can_ be used to screw up your system, it is advisable to read both documentation and source before actually making adjustments. @@ -38,7 +38,7 @@ When the value in this file is 0, ctrl-alt-del is trapped and sent to the init(1) program to handle a graceful restart. -When, however, the value is > 0, Linux' reaction to a Vulcan +When, however, the value is > 0, Linux's reaction to a Vulcan Nerve Pinch (tm) will be an immediate reboot, without even syncing it's dirty buffers. @@ -162,9 +162,10 @@ The four values in printk denote: console_loglevel, default_message_loglevel, minimum_console_level and default_console_loglevel respectively. -These values have influence on printk() behaviour when -printing / logging error messages. See 'man 2 syslog' -for more info on the different loglevels. + +These values influence printk() behavior when printing or +logging error messages. See 'man 2 syslog' for more info on +the different loglevels. - console_loglevel: messages with a higher priority than this will be printed to the console diff -ru sysctl.old/vm.txt sysctl/vm.txt --- sysctl.old/vm.txt Thu Feb 26 02:37:42 1998 +++ sysctl/vm.txt Thu Feb 26 17:33:42 1998 @@ -71,7 +71,7 @@ The third parameter (nrefill) is the number of buffers that bdflush will add to the list of free buffers when -refill_freelist() is called. It is nessecary to allocate free +refill_freelist() is called. It is necessary to allocate free buffers beforehand, since the buffers often are of a different size than memory pages and some bookkeeping needs to be done beforehand. The higher the number, the more memory will be @@ -124,7 +124,7 @@ overcommit_memory: -This file contains only one value. The followin algorithm +This file contains only one value. The following algorithm is used to decide if there's enough memory. If the value of overcommit_memory > 0, then there's always enough memory :-). This is a useful feature, since programs often @@ -195,7 +195,7 @@ The first four variables are used to keep track of Linux' page aging. Page aging is a bookkeeping method to keep track of which pages of memory are used often, and which pages can -be swapped out without consequenses. +be swapped out without consequences. When a page is swapped in, it starts at sc_page_initial_age (default 3) and when the page is scanned by kswapd, it's age
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