The patch titled
Subject: lib-bitmapc-enhance-bitmap-syntax-fix
has been removed from the -mm tree. Its filename was
lib-bitmapc-enhance-bitmap-syntax-fix.patch
This patch was dropped because it was folded into lib-bitmapc-enhance-bitmap-syntax.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: lib-bitmapc-enhance-bitmap-syntax-fix
rework documentation
Cc: Noam Camus <noamca@xxxxxxxxxxxx>
Cc: David Decotigny <decot@xxxxxxxxxxxx>
Cc: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Pan Xinhui <xinhui@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/kernel-parameters.txt | 57 ++++++++++++++------------
1 file changed, 32 insertions(+), 25 deletions(-)
diff -puN Documentation/kernel-parameters.txt~lib-bitmapc-enhance-bitmap-syntax-fix Documentation/kernel-parameters.txt
--- a/Documentation/kernel-parameters.txt~lib-bitmapc-enhance-bitmap-syntax-fix
+++ a/Documentation/kernel-parameters.txt
@@ -33,20 +33,36 @@ can also be entered as
Double-quotes can be used to protect spaces in values, e.g.:
param="spaces in here"
-Some of the kernel parameters takes list of CPUs as value e.g.:
-isolcpus, task_isolation, nohz_full, irqaffinity, rcu_nocbs.
-The format of this list is:
-<cpu number>,...,<cpu number>
+cpu lists:
+----------
+
+Some kernel parameters take a list of CPUs as a value, e.g. isolcpus,
+nohz_full, irqaffinity, rcu_nocbs. The format of this list is:
+
+ <cpu number>,...,<cpu number>
+
or
-<cpu number>-<cpu number>
-(must be a positive range in ascending order)
+
+ <cpu number>-<cpu number>
+ (must be a positive range in ascending order)
+
or a mixture
+
<cpu number>,...,<cpu number>-<cpu number>
-Note that for special case of range one can split range into equal size of groups
-and for each group to use some amount form the begin of that group.
-<cpu number>-cpu number>:<used size>/<group size>
-For example one can add to its command line following parameter:
-isolcpus=1,2,10-20,100-2000:2/25
+
+Note that for the special case of a range one can split the range into equal
+sized groups and for each group use some amount from the beginning of that
+group:
+
+ <cpu number>-cpu number>:<used size>/<group size>
+
+For example one can add to the command line following parameter:
+
+ isolcpus=1,2,10-20,100-2000:2/25
+
+where the final item represents CPUs 100,101,125,126,150,151,...
+
+
This document may not be entirely up to date and comprehensive. The command
"modinfo -p ${modulename}" shows a current list of all parameters of a loadable
@@ -1799,13 +1815,7 @@ bytes respectively. Such letter suffixes
See Documentation/filesystems/nfs/nfsroot.txt.
irqaffinity= [SMP] Set the default irq affinity mask
- Format:
- <cpu number>,...,<cpu number>
- or
- <cpu number>-<cpu number>
- (must be a positive range in ascending order)
- or a mixture
- <cpu number>,...,<cpu number>-<cpu number>
+ The argument is a cpu list, as described above.
irqfixup [HW]
When an interrupt is not handled search all handlers
@@ -1822,13 +1832,7 @@ bytes respectively. Such letter suffixes
Format: <RDP>,<reset>,<pci_scan>,<verbosity>
isolcpus= [KNL,SMP] Isolate CPUs from the general scheduler.
- Format:
- <cpu number>,...,<cpu number>
- or
- <cpu number>-<cpu number>
- (must be a positive range in ascending order)
- or a mixture
- <cpu number>,...,<cpu number>-<cpu number>
+ The argument is a cpu list, as described above.
This option can be used to specify one or more CPUs
to isolate from the general SMP balancing and scheduling
@@ -2690,6 +2694,7 @@ bytes respectively. Such letter suffixes
Default: on
nohz_full= [KNL,BOOT]
+ The argument is a cpu list, as described above.
In kernels built with CONFIG_NO_HZ_FULL=y, set
the specified list of CPUs whose tick will be stopped
whenever possible. The boot CPU will be forced outside
@@ -3295,6 +3300,8 @@ bytes respectively. Such letter suffixes
See Documentation/blockdev/ramdisk.txt.
rcu_nocbs= [KNL]
+ The argument is a cpu list, as described above.
+
In kernels built with CONFIG_RCU_NOCB_CPU=y, set
the specified list of CPUs to be no-callback CPUs.
Invocation of these CPUs' RCU callbacks will
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
lib-bitmapc-enhance-bitmap-syntax.patch
relay-use-irq_work-instead-of-plain-timer-for-deferred-wakeup-checkpatch-fixes.patch
ipc-msg-avoid-waking-sender-upon-full-queue-checkpatch-fixes.patch
hung_task-allow-hung_task_panic-when-hung_task_warnings-is-0-fix.patch
fs-use-mapping_set_error-instead-of-opencoded-set_bit-fix.patch
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