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Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 7936b801fe6a..cb3a169e372a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -1503,6 +1503,14 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1503 | [NFS] set the TCP port on which the NFSv4 callback | 1503 | [NFS] set the TCP port on which the NFSv4 callback |
1504 | channel should listen. | 1504 | channel should listen. |
1505 | 1505 | ||
1506 | nfs.cache_getent= | ||
1507 | [NFS] sets the pathname to the program which is used | ||
1508 | to update the NFS client cache entries. | ||
1509 | |||
1510 | nfs.cache_getent_timeout= | ||
1511 | [NFS] sets the timeout after which an attempt to | ||
1512 | update a cache entry is deemed to have failed. | ||
1513 | |||
1506 | nfs.idmap_cache_timeout= | 1514 | nfs.idmap_cache_timeout= |
1507 | [NFS] set the maximum lifetime for idmapper cache | 1515 | [NFS] set the maximum lifetime for idmapper cache |
1508 | entries. | 1516 | entries. |
@@ -1535,6 +1543,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1535 | symbolic names: lapic and ioapic | 1543 | symbolic names: lapic and ioapic |
1536 | Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic | 1544 | Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic |
1537 | 1545 | ||
1546 | netpoll.carrier_timeout= | ||
1547 | [NET] Specifies amount of time (in seconds) that | ||
1548 | netpoll should wait for a carrier. By default netpoll | ||
1549 | waits 4 seconds. | ||
1550 | |||
1538 | no387 [BUGS=X86-32] Tells the kernel to use the 387 maths | 1551 | no387 [BUGS=X86-32] Tells the kernel to use the 387 maths |
1539 | emulation library even if a 387 maths coprocessor | 1552 | emulation library even if a 387 maths coprocessor |
1540 | is present. | 1553 | is present. |
@@ -2395,6 +2408,18 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2395 | stifb= [HW] | 2408 | stifb= [HW] |
2396 | Format: bpp:<bpp1>[:<bpp2>[:<bpp3>...]] | 2409 | Format: bpp:<bpp1>[:<bpp2>[:<bpp3>...]] |
2397 | 2410 | ||
2411 | sunrpc.min_resvport= | ||
2412 | sunrpc.max_resvport= | ||
2413 | [NFS,SUNRPC] | ||
2414 | SunRPC servers often require that client requests | ||
2415 | originate from a privileged port (i.e. a port in the | ||
2416 | range 0 < portnr < 1024). | ||
2417 | An administrator who wishes to reserve some of these | ||
2418 | ports for other uses may adjust the range that the | ||
2419 | kernel's sunrpc client considers to be privileged | ||
2420 | using these two parameters to set the minimum and | ||
2421 | maximum port values. | ||
2422 | |||
2398 | sunrpc.pool_mode= | 2423 | sunrpc.pool_mode= |
2399 | [NFS] | 2424 | [NFS] |
2400 | Control how the NFS server code allocates CPUs to | 2425 | Control how the NFS server code allocates CPUs to |
@@ -2411,6 +2436,15 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2411 | pernode one pool for each NUMA node (equivalent | 2436 | pernode one pool for each NUMA node (equivalent |
2412 | to global on non-NUMA machines) | 2437 | to global on non-NUMA machines) |
2413 | 2438 | ||
2439 | sunrpc.tcp_slot_table_entries= | ||
2440 | sunrpc.udp_slot_table_entries= | ||
2441 | [NFS,SUNRPC] | ||
2442 | Sets the upper limit on the number of simultaneous | ||
2443 | RPC calls that can be sent from the client to a | ||
2444 | server. Increasing these values may allow you to | ||
2445 | improve throughput, but will also increase the | ||
2446 | amount of memory reserved for use by the client. | ||
2447 | |||
2414 | swiotlb= [IA-64] Number of I/O TLB slabs | 2448 | swiotlb= [IA-64] Number of I/O TLB slabs |
2415 | 2449 | ||
2416 | switches= [HW,M68k] | 2450 | switches= [HW,M68k] |
@@ -2480,6 +2514,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2480 | trace_buf_size=nn[KMG] | 2514 | trace_buf_size=nn[KMG] |
2481 | [FTRACE] will set tracing buffer size. | 2515 | [FTRACE] will set tracing buffer size. |
2482 | 2516 | ||
2517 | trace_event=[event-list] | ||
2518 | [FTRACE] Set and start specified trace events in order | ||
2519 | to facilitate early boot debugging. | ||
2520 | See also Documentation/trace/events.txt | ||
2521 | |||
2483 | trix= [HW,OSS] MediaTrix AudioTrix Pro | 2522 | trix= [HW,OSS] MediaTrix AudioTrix Pro |
2484 | Format: | 2523 | Format: |
2485 | <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq> | 2524 | <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq> |