diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/pcmcia/crc32hash.c | 32 | ||||
| -rw-r--r-- | Documentation/pcmcia/devicetable.txt | 36 | ||||
| -rw-r--r-- | Documentation/sysctl/vm.txt | 13 | ||||
| -rw-r--r-- | Documentation/video4linux/CARDLIST.cx88 | 1 |
4 files changed, 36 insertions, 46 deletions
diff --git a/Documentation/pcmcia/crc32hash.c b/Documentation/pcmcia/crc32hash.c new file mode 100644 index 000000000000..cbc36d299af8 --- /dev/null +++ b/Documentation/pcmcia/crc32hash.c @@ -0,0 +1,32 @@ +/* crc32hash.c - derived from linux/lib/crc32.c, GNU GPL v2 */ +/* Usage example: +$ ./crc32hash "Dual Speed" +*/ + +#include <string.h> +#include <stdio.h> +#include <ctype.h> +#include <stdlib.h> + +unsigned int crc32(unsigned char const *p, unsigned int len) +{ + int i; + unsigned int crc = 0; + while (len--) { + crc ^= *p++; + for (i = 0; i < 8; i++) + crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0); + } + return crc; +} + +int main(int argc, char **argv) { + unsigned int result; + if (argc != 2) { + printf("no string passed as argument\n"); + return -1; + } + result = crc32(argv[1], strlen(argv[1])); + printf("0x%x\n", result); + return 0; +} diff --git a/Documentation/pcmcia/devicetable.txt b/Documentation/pcmcia/devicetable.txt index 3351c0355143..199afd100cf2 100644 --- a/Documentation/pcmcia/devicetable.txt +++ b/Documentation/pcmcia/devicetable.txt @@ -27,37 +27,7 @@ pcmcia:m0149cC1ABf06pfn00fn00pa725B842DpbF1EFEE84pc0877B627pd00000000 The hex value after "pa" is the hash of product ID string 1, after "pb" for string 2 and so on. -Alternatively, you can use this small tool to determine the crc32 hash. -simply pass the string you want to evaluate as argument to this program, -e.g. +Alternatively, you can use crc32hash (see Documentation/pcmcia/crc32hash.c) +to determine the crc32 hash. Simply pass the string you want to evaluate +as argument to this program, e.g.: $ ./crc32hash "Dual Speed" - -------------------------------------------------------------------------- -/* crc32hash.c - derived from linux/lib/crc32.c, GNU GPL v2 */ -#include <string.h> -#include <stdio.h> -#include <ctype.h> -#include <stdlib.h> - -unsigned int crc32(unsigned char const *p, unsigned int len) -{ - int i; - unsigned int crc = 0; - while (len--) { - crc ^= *p++; - for (i = 0; i < 8; i++) - crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0); - } - return crc; -} - -int main(int argc, char **argv) { - unsigned int result; - if (argc != 2) { - printf("no string passed as argument\n"); - return -1; - } - result = crc32(argv[1], strlen(argv[1])); - printf("0x%x\n", result); - return 0; -} diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 2dc246af4885..86754eb390da 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -28,7 +28,6 @@ Currently, these files are in /proc/sys/vm: - block_dump - drop-caches - zone_reclaim_mode -- zone_reclaim_interval - panic_on_oom ============================================================== @@ -167,18 +166,6 @@ use of files and builds up large slab caches. However, the slab shrink operation is global, may take a long time and free slabs in all nodes of the system. -================================================================ - -zone_reclaim_interval: - -The time allowed for off node allocations after zone reclaim -has failed to reclaim enough pages to allow a local allocation. - -Time is set in seconds and set by default to 30 seconds. - -Reduce the interval if undesired off node allocations occur. However, too -frequent scans will have a negative impact onoff node allocation performance. - ============================================================= panic_on_oom diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index 6cb63ddf6163..00d9a1f2a54c 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -50,3 +50,4 @@ 49 -> PixelView PlayTV P7000 [1554:4813] 50 -> NPG Tech Real TV FM Top 10 [14f1:0842] 51 -> WinFast DTV2000 H [107d:665e] + 52 -> Geniatech DVB-S [14f1:0084] |