mm/zpool: zbud/zsmalloc implement zpool

[firefly-linux-kernel-4.4.55.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c1b9aa8c5a52e807e6458d40d96d4f1bc91f107b..883901b9ac4f11d0ea47d42769c8ee3c6e3e3360 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -566,6 +566,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        possible to determine what the correct size should be.
                        This option provides an override for these situations.
 
+       ca_keys=        [KEYS] This parameter identifies a specific key(s) on
+                       the system trusted keyring to be used for certificate
+                       trust validation.
+                       format: { id:<keyid> | builtin }
+
        ccw_timeout_log [S390]
                        See Documentation/s390/CommonIO for details.
 
@@ -1097,6 +1102,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        that can be changed at run time by the
                        set_graph_function file in the debugfs tracing directory.
 
+       ftrace_graph_notrace=[function-list]
+                       [FTRACE] Do not trace from the functions specified in
+                       function-list.  This list is a comma separated list of
+                       functions that can be changed at run time by the
+                       set_graph_notrace file in the debugfs tracing directory.
+
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)
@@ -1313,6 +1324,23 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Formats: { "ima" | "ima-ng" }
                        Default: "ima-ng"
 
+       ima.ahash_minsize= [IMA] Minimum file size for asynchronous hash usage
+                       Format: <min_file_size>
+                       Set the minimal file size for using asynchronous hash.
+                       If left unspecified, ahash usage is disabled.
+
+                       ahash performance varies for different data sizes on
+                       different crypto accelerators. This option can be used
+                       to achieve the best performance for a particular HW.
+
+       ima.ahash_bufsize= [IMA] Asynchronous hash buffer size
+                       Format: <bufsize>
+                       Set hashing buffer size. Default: 4k.
+
+                       ahash performance varies for different chunk sizes on
+                       different crypto accelerators. This option can be used
+                       to achieve best performance for particular HW.
+
        init=           [KNL]
                        Format: <full_path>
                        Run specified binary instead of /sbin/init as init
@@ -1416,10 +1444,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        ip=             [IP_PNP]
                        See Documentation/filesystems/nfs/nfsroot.txt.
 
-       ip2=            [HW] Set IO/IRQ pairs for up to 4 IntelliPort boards
-                       See comment before ip2_setup() in
-                       drivers/char/ip2/ip2base.c.
-
        irqfixup        [HW]
                        When an interrupt is not handled search all handlers
                        for it. Intended to get systems with badly broken
@@ -2790,6 +2814,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        leaf rcu_node structure.  Useful for very large
                        systems.
 
+       rcutree.jiffies_till_sched_qs= [KNL]
+                       Set required age in jiffies for a
+                       given grace period before RCU starts
+                       soliciting quiescent-state help from
+                       rcu_note_context_switch().
+
        rcutree.jiffies_till_first_fqs= [KNL]
                        Set delay from grace-period initialization to
                        first attempt to force quiescent states.
@@ -2801,6 +2831,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        quiescent states.  Units are jiffies, minimum
                        value is one, and maximum value is HZ.
 
+       rcutree.rcu_nocb_leader_stride= [KNL]
+                       Set the number of NOCB kthread groups, which
+                       defaults to the square root of the number of
+                       CPUs.  Larger numbers reduces the wakeup overhead
+                       on the per-CPU grace-period kthreads, but increases
+                       that same overhead on each group's leader.
+
        rcutree.qhimark= [KNL]
                        Set threshold of queued RCU callbacks beyond which
                        batch limiting is disabled.
@@ -3526,7 +3563,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        the allocated input device; If set to 0, video driver
                        will only send out the event without touching backlight
                        brightness level.
-                       default: 0
+                       default: 1
 
        virtio_mmio.device=
                        [VMMIO] Memory mapped virtio (platform) device.