* [PATCH v2] MIPS: fix memory setup for platforms with PHYS_OFFSET != 0
@ 2019-02-27 9:42 Thomas Bogendoerfer
2019-02-28 2:51 ` Paul Burton
0 siblings, 1 reply; 2+ messages in thread
From: Thomas Bogendoerfer @ 2019-02-27 9:42 UTC (permalink / raw)
To: Ralf Baechle, Paul Burton, James Hogan, linux-mips, linux-kernel
Cc: Mike Rapoport
For platforms, which use a PHYS_OFFSET != 0, symbol _end also
contains that offset. So when calling memblock_reserve() for
reserving kernel the size argument needs to be adjusted.
Fixes: bcec54bf3118 ("mips: switch to NO_BOOTMEM")
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
arch/mips/kernel/setup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 8c6c48ed786a..d2e5a5ad0e6f 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -384,7 +384,8 @@ static void __init bootmem_init(void)
init_initrd();
reserved_end = (unsigned long) PFN_UP(__pa_symbol(&_end));
- memblock_reserve(PHYS_OFFSET, reserved_end << PAGE_SHIFT);
+ memblock_reserve(PHYS_OFFSET,
+ (reserved_end << PAGE_SHIFT) - PHYS_OFFSET);
/*
* max_low_pfn is not a number of pages. The number of pages
--
2.13.7
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] MIPS: fix memory setup for platforms with PHYS_OFFSET != 0
2019-02-27 9:42 [PATCH v2] MIPS: fix memory setup for platforms with PHYS_OFFSET != 0 Thomas Bogendoerfer
@ 2019-02-28 2:51 ` Paul Burton
0 siblings, 0 replies; 2+ messages in thread
From: Paul Burton @ 2019-02-28 2:51 UTC (permalink / raw)
To: Thomas Bogendoerfer
Cc: Ralf Baechle, Paul Burton, James Hogan, linux-mips, linux-kernel,
Mike Rapoport, linux-mips
Hello,
Thomas Bogendoerfer wrote:
> For platforms, which use a PHYS_OFFSET != 0, symbol _end also
> contains that offset. So when calling memblock_reserve() for
> reserving kernel the size argument needs to be adjusted.
>
> Fixes: bcec54bf3118 ("mips: switch to NO_BOOTMEM")
> Acked-by: Mike Rapoport <rppt@linux.ibm.com>
> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Applied to mips-fixes.
Thanks,
Paul
[ This message was auto-generated; if you believe anything is incorrect
then please email paul.burton@mips.com to report it. ]
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