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powerpc/fadump: Update comment about offset where fadump is reserved 

With commit f6e6bedb77 ("powerpc/fadump: Reserve memory at an offset
closer to bottom of RAM"), memory for fadump is no longer reserved at
the top of RAM. But there are still a few places which say so. Change
them appropriately.

Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Hari Bathini 2017-05-22 15:04:47 +05:30 committed by Michael Ellerman
parent 81d9eca502
commit e7467dc694
2 changed files with 4 additions and 4 deletions
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4
Documentation/powerpc/firmware-assisted-dump.txt
View File

@ -61,8 +61,8 @@ as follows:
boot successfully. For syntax of crashkernel= parameter,
refer to Documentation/kdump/kdump.txt. If any offset is
provided in crashkernel= parameter, it will be ignored
as fadump reserves memory at end of RAM for boot memory
dump preservation in case of a crash.
as fadump uses a predefined offset to reserve memory
for boot memory dump preservation in case of a crash.
-- After the low memory (boot memory) area has been saved, the
firmware will reset PCI and other hardware state. It will

4
arch/powerpc/kernel/fadump.c
View File

@ -217,8 +217,8 @@ static inline unsigned long fadump_calculate_reserve_size(void)
/*
* Check if the size is specified through crashkernel= cmdline
* option. If yes, then use that but ignore base as fadump
* reserves memory at end of RAM.
* option. If yes, then use that but ignore base as fadump reserves
* memory at a predefined offset.
*/
ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
&size, &base);