Lines Matching +full:in +full:- +full:kernel
1 .\" ----------------------------------------------------------------------------
2 .\" "THE BEER-WARE LICENSE" (Revision 42):
5 .\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
6 .\" ----------------------------------------------------------------------------
15 To compile this driver into the kernel,
16 place the following lines in your
17 kernel configuration file:
18 .Bd -ragged -offset indent
23 module at boot time, place the following line in
25 .Bd -literal -offset indent
32 .Bl -tag -width preload
36 Only one malloc-bucket is used, which means that all
40 backing must share the malloc-per-bucket-quota.
41 The exact size of this quota varies, in particular with the amount
42 of RAM in the
55 See the description of module loading directives in
58 or the name of a file in the
61 If the kernel is created with option
71 pressure, otherwise they stay in the operating memory.
82 To create a kernel with a ramdisk or MD file system, your kernel config
84 .Bd -literal -offset indent
88 makeoptions MFS_IMAGE=/h/foo/ARM-MD
92 The image in
93 .Pa /h/foo/ARM-MD
95 To create the image to use, please follow the steps to create a file-backed
96 disk found in the
100 .Sh ARM KERNEL OPTIONS
102 approximately 55 MiB may require building a custom kernel using
103 several tuning options related to kernel memory usage.
104 .Bl -tag -width indent
106 This configures how much memory is mapped for the kernel during
108 The value must be at least as large as the kernel plus all preloaded
114 This configures the number of kernel L2 page table pages to
115 preallocate during kernel initialization.
116 Each L2 page can map 4 MiB of kernel space.
117 The value must be large enough to map the kernel plus all preloaded
121 This configures the amount of kernel virtual address (KVA) space to
125 of physical ram in the system.
126 The kernel and modules, including the root image, also consume KVA.
129 remaining address space to allocate kernel stacks, IO buffers,
132 launch userland processes with "cannot allocate kernel stack" messages.
133 Setting the scale value too high may result in kernel failure to allocate
149 driver first appeared in
152 for the MFS functionality previously used in
154 and in the
162 driver in
168 .An Poul-Henning Kamp Aq Mt phk@FreeBSD.org .