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15803a4328
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Magnus Damm 15803a4328 [PATCH] x86-64: setup saved_max_pfn correctly (kdump) 
x86_64: setup saved_max_pfn correctly

2.6.19-rc4 has broken CONFIG_CRASH_DUMP support on x86_64. It is impossible
to read out the kernel contents from /proc/vmcore because saved_max_pfn is set
to zero instead of the max_pfn value before the user map is setup.

This happens because saved_max_pfn is initialized at parse_early_param() time,
and at this time no active regions have been registered. save_max_pfn is setup
from e820_end_of_ram(), more exact find_max_pfn_with_active_regions() which
returns 0 because no regions exist.

This patch fixes this by registering before and removing after the call
to e820_end_of_ram().

Signed-off-by: Magnus Damm <magnus@valinux.co.jp>
Signed-off-by: Andi Kleen <ak@suse.de>
2006-11-14 16:57:46 +01:00
..
alpha Update for the srm_env driver. 2006-11-07 23:50:37 +01:00
arm [ARM] 3927/1: Allow show_mem() to work with holes in memory map. 2006-11-07 19:39:00 +00:00
arm26 [PATCH] remove bogus arch-specific syscall exports 2006-10-11 11:17:07 -07:00
avr32 AVR32: Add missing return instruction in __raw_writesb 2006-11-06 14:07:16 +01:00
cris [PATCH] cryptocop: double spin_lock_irqsave() 2006-10-30 12:08:41 -08:00
frv [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
h8300 [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
i386 [PATCH] htirq: refactor so we only have one function that writes to the chip 2006-11-08 18:29:24 -08:00
ia64 [PATCH] mspec driver build fix 2006-11-13 07:40:42 -08:00
m32r [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
m68k [PATCH] m68k: consolidate initcall sections 2006-10-29 12:07:41 -08:00
m68knommu [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
mips [MIPS] Fix EV64120 and Ocelot builds by providing a plat_timer_setup(). 2006-11-06 20:55:39 +00:00
parisc [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
powerpc [POWERPC] cell: set ARCH_SPARSEMEM_DEFAULT in Kconfig 2006-11-10 21:45:43 +11:00
ppc [POWERPC] Make alignment exception always check exception table 2006-11-01 15:16:04 +11:00
s390 [S390] IRQs too early enabled. 2006-11-06 10:49:02 +01:00
sh sh: Titan defconfig update. 2006-10-31 12:53:29 +09:00
sh64 [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
sparc [SPARC]: Fix robust futex syscalls and wire up migrate_pages. 2006-11-05 16:51:03 -08:00
sparc64 [SPARC]: Fix robust futex syscalls and wire up migrate_pages. 2006-11-05 16:51:03 -08:00
um [PATCH] uml: include tidying 2006-11-03 12:27:59 -08:00
v850 [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00
x86_64 [PATCH] x86-64: setup saved_max_pfn correctly (kdump) 2006-11-14 16:57:46 +01:00
xtensa [PATCH] vmlinux.lds: consolidate initcall sections 2006-10-27 15:34:51 -07:00