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-rw-r--r--Documentation/kernel-parameters.txt22
1 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index d34fd6a28faa..b79bcdf16319 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -648,6 +648,10 @@ and is between 256 and 4096 characters. It is defined in the file
648 idle= [HW] 648 idle= [HW]
649 Format: idle=poll or idle=halt 649 Format: idle=poll or idle=halt
650 650
651 ignore_loglevel [KNL]
652 Ignore loglevel setting - this will print /all/
653 kernel messages to the console. Useful for debugging.
654
651 ihash_entries= [KNL] 655 ihash_entries= [KNL]
652 Set number of hash buckets for inode cache. 656 Set number of hash buckets for inode cache.
653 657
@@ -712,7 +716,12 @@ and is between 256 and 4096 characters. It is defined in the file
712 Format: <RDP>,<reset>,<pci_scan>,<verbosity> 716 Format: <RDP>,<reset>,<pci_scan>,<verbosity>
713 717
714 isolcpus= [KNL,SMP] Isolate CPUs from the general scheduler. 718 isolcpus= [KNL,SMP] Isolate CPUs from the general scheduler.
715 Format: <cpu number>,...,<cpu number> 719 Format:
720 <cpu number>,...,<cpu number>
721 or
722 <cpu number>-<cpu number> (must be a positive range in ascending order)
723 or a mixture
724 <cpu number>,...,<cpu number>-<cpu number>
716 This option can be used to specify one or more CPUs 725 This option can be used to specify one or more CPUs
717 to isolate from the general SMP balancing and scheduling 726 to isolate from the general SMP balancing and scheduling
718 algorithms. The only way to move a process onto or off 727 algorithms. The only way to move a process onto or off
@@ -1010,6 +1019,10 @@ and is between 256 and 4096 characters. It is defined in the file
1010 emulation library even if a 387 maths coprocessor 1019 emulation library even if a 387 maths coprocessor
1011 is present. 1020 is present.
1012 1021
1022 noaliencache [MM, NUMA] Disables the allcoation of alien caches in
1023 the slab allocator. Saves per-node memory, but will
1024 impact performance on real NUMA hardware.
1025
1013 noalign [KNL,ARM] 1026 noalign [KNL,ARM]
1014 1027
1015 noapic [SMP,APIC] Tells the kernel to not make use of any 1028 noapic [SMP,APIC] Tells the kernel to not make use of any
@@ -1288,6 +1301,7 @@ and is between 256 and 4096 characters. It is defined in the file
1288 Param: "schedule" - profile schedule points. 1301 Param: "schedule" - profile schedule points.
1289 Param: <number> - step/bucket size as a power of 2 for 1302 Param: <number> - step/bucket size as a power of 2 for
1290 statistical time based profiling. 1303 statistical time based profiling.
1304 Param: "sleep" - profile D-state sleeping (millisecs)
1291 1305
1292 processor.max_cstate= [HW,ACPI] 1306 processor.max_cstate= [HW,ACPI]
1293 Limit processor to maximum C-state 1307 Limit processor to maximum C-state
@@ -1369,6 +1383,12 @@ and is between 256 and 4096 characters. It is defined in the file
1369 resume= [SWSUSP] 1383 resume= [SWSUSP]
1370 Specify the partition device for software suspend 1384 Specify the partition device for software suspend
1371 1385
1386 resume_offset= [SWSUSP]
1387 Specify the offset from the beginning of the partition
1388 given by "resume=" at which the swap header is located,
1389 in <PAGE_SIZE> units (needed only for swap files).
1390 See Documentation/power/swsusp-and-swap-files.txt
1391
1372 rhash_entries= [KNL,NET] 1392 rhash_entries= [KNL,NET]
1373 Set number of hash buckets for route cache 1393 Set number of hash buckets for route cache
1374 1394