Lines Matching +full:in +full:- +full:memory
1 # SPDX-License-Identifier: GPL-2.0-only
6 bool "Xen memory balloon driver"
9 The balloon driver allows the Xen domain to request more memory from
10 the system to expand the domain's memory allocation, or alternatively
11 return unneeded memory to the system.
14 bool "Memory hotplug support for Xen balloon driver"
18 Memory hotplug support for Xen balloon driver allows expanding memory
24 memory ranges to use in order to map foreign memory or grants.
26 Memory could be hotplugged in following steps:
28 1) target domain: ensure that memory auto online policy is in
29 effect by checking /sys/devices/system/memory/auto_online_blocks
32 2) control domain: xl mem-max <target-domain> <maxmem>
33 where <maxmem> is >= requested memory size,
35 3) control domain: xl mem-set <target-domain> <memory>
36 where <memory> is requested memory size; alternatively memory
42 Alternatively, if memory auto onlining was not requested at step 1
43 the newly added memory can be manually onlined in the target domain
46 for i in /sys/devices/system/memory/memory*/state; do \
51 …SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /…
54 int "Hotplugged memory limit (in GiB) for a PV guest"
59 Maximum amount of memory (in GiB) that a PV guest can be
60 expanded to when using memory hotplug.
62 A PV guest can have more memory than this limit if is
65 This value is used to allocate enough space in internal
66 tables needed for physical memory administration.
81 If in doubt, say yes.
90 If in doubt, say yes.
108 If in doubt, say yes.
120 If in doubt, say yes.
129 hypervisor environment. When running native or in another
145 bool "Add support for dma-buf grant access device driver extension"
150 dma-buf implementation. With this extension grant references to
151 the pages of an imported dma-buf can be exported for other domain
153 converted into a local dma-buf for local export.
156 tristate "User-space grant reference allocator driver"
162 or as part of an inter-domain shared memory channel.
171 driver in that proper memory reservation is made by
176 but require DMAable memory instead.
188 tristate "Xen PCI-device stub driver"
195 device backend driver without para-virtualized support for guests.
203 xen-pciback.hide=(03:00.0)(04:00.0)
205 If in doubt, say m.
208 tristate "Xen PCI-device backend driver"
220 devices to appear in the guest. You can choose the default (0) where
222 the PCI devices topology appear the same as in the host.
227 xen-pciback.hide=(03:00.0)(04:00.0)
229 If in doubt, say m.
250 If in doubt, say n.
257 to other guests via a high-performance shared-memory interface.
268 running as Dom0 to perform privileged operations, but in some
288 M here. If the CPUFREQ drivers are built in, select Y here.
308 Support for auto-translated physmap guests.
329 bool "Use unpopulated memory ranges for guest mappings"
333 Use unpopulated memory ranges in order to create mappings for guest
334 memory regions, including grant maps and foreign pages. This avoids
335 having to balloon out RAM regions in order to obtain physical memory
356 If in doubt, say n.
364 of the guest memory. This will need support on the backend side