Lines Matching refs:memory

13 - Fadump uses the same firmware interfaces and memory reservation model
15 - Unlike phyp dump, fadump exports the memory dump through /proc/vmcore
20 - Unlike phyp dump, fadump allows user to release all the memory reserved
34 -- Once the dump is copied out, the memory that held the dump
43 -- The first kernel registers the sections of memory with the
45    These registered sections of memory are reserved by the first
49    the low memory (boot memory of size larger of 5% of system RAM
53    NOTE: The term 'boot memory' means size of the low memory chunk
55          booted with restricted memory. By default, the boot memory
57          Alternatively, user can also specify boot memory size
60          boot memory size is not sufficient for second kernel to
64          as fadump uses a predefined offset to reserve memory
65          for boot memory dump preservation in case of a crash.
67 -- After the low memory (boot memory) area has been saved, the
75    the early boot OS will reserve rest of the memory above
76    boot memory size effectively booting with restricted memory
78    touch any of the dump memory area.
81    of memory, which holds the previous crashed kernel dump in ELF
87    memory back to general use, except the memory required for
103 then everything but boot memory size of RAM is reserved during
108 memory is held.
110 If there is no waiting dump data, then only the memory required
111 to hold CPU state, HPTE region, boot memory dump and elfcore
112 header, is usually reserved at an offset greater than boot memory
115 for a copy of the boot memory content in addition to CPU state
120   Low memory                                         Top of memory
121   0      boot memory size                                       |
131           Boot memory content gets transferred to
138   Low memory                                        Top of memory
139   0      boot memory size                                       |
166    to specify size of the memory to reserve for boot memory dump
170          use 'crashkernel=' to specify size of the memory to reserve
171          for boot memory dump preservation.
172       2. If firmware-assisted dump fails to reserve memory then it
180 the control files and debugfs file to display memory reserved region.
209     second kernel. This is used to release the reserved memory
211     reserved memory echo 1 to it:
216     file will change to reflect the new memory reservations.
219     enhanced to use this interface to release the memory reserved for
227     This file shows the reserved memory regions if fadump is
255    accurate boot memory size that is required for a kernel to
256    boot successfully when booted with restricted memory.