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95c9608478
linux/arch/x86
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H. Peter Anvin 95c9608478 x86, mm: Move reserving low memory later in initialization 
Move the reservation of low memory, except for the 4K which actually
does belong to the BIOS, later in the initialization; in particular,
after we have already reserved the trampoline.

The current code locates the trampoline as high as possible, so by
deferring the allocation we will still be able to reserve as much
memory as is possible.  This allows us to run with reservelow=640k
without getting a crash on system startup.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/n/tip-0y9dqmmsousf69wutxwl3kkf@git.kernel.org
2013-02-14 15:21:25 -08:00
..
boot x86, efi: correct precedence of operators in setup_efi_pci 2012-12-20 11:47:14 -08:00
configs x86/Kconfig: Turn off DEBUG_NX_TEST module in defconfigs 2012-09-05 10:43:12 +02:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2012-12-15 12:35:19 -08:00
ia32 new helpers: __save_altstack/__compat_save_altstack, switch x86 and um to those 2012-12-19 18:07:41 -05:00
include x86, doc: Clarify the use of asm("%edx") in uaccess.h 2013-02-12 15:37:02 -08:00
kernel x86, mm: Move reserving low memory later in initialization 2013-02-14 15:21:25 -08:00
kvm KVM: x86: use dynamic percpu allocations for shared msrs area 2013-01-08 12:51:56 -02:00
lguest Linux 3.8-rc5 2013-01-25 16:31:21 -08:00
lib x86: Be consistent with data size in getuser.S 2013-02-11 23:14:48 -08:00
math-emu
mm x86-32, mm: Remove reference to alloc_remap() 2013-01-31 14:12:30 -08:00
net x86: bpf_jit_comp: add vlan tag support 2012-10-31 14:00:15 -04:00
oprofile oprofile, x86: Fix wrapping bug in op_x86_get_ctrl() 2012-10-15 14:38:24 +02:00
pci X86: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
platform Linux 3.8-rc5 2013-01-25 16:31:21 -08:00
power x86-32, mm: Remove reference to resume_map_numa_kva() 2013-01-31 14:12:30 -08:00
realmode Revert "x86, mm: Include the entire kernel memory map in trampoline_pgd" 2012-12-15 12:29:54 -08:00
syscalls Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-12-20 18:05:28 -08:00
tools x86: Fix the error of using "const" in gen-insn-attr-x86.awk 2012-12-10 10:31:24 -08:00
um Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-12-20 18:05:28 -08:00
vdso Merge tag 'kvm-3.8-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2012-12-13 15:31:08 -08:00
video
xen Fixes: 2013-01-18 12:02:52 -08:00
.gitignore
Kbuild
Kconfig x86-32, mm: Rip out x86_32 NUMA remapping code 2013-01-31 14:12:30 -08:00
Kconfig.cpu x86, 386 removal: Document Nx586 as a 386 and thus unsupported 2012-11-29 13:28:39 -08:00
Kconfig.debug x86/tlb: add tlb_flushall_shift knob into debugfs 2012-06-27 19:29:10 -07:00
Makefile md update for 3.8 2012-12-18 09:32:44 -08:00
Makefile_32.cpu x86, 386 removal: Remove CONFIG_M386 from Kconfig 2012-11-29 13:23:01 -08:00
Makefile.um