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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 19:13:20 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 19:13:20 -0400
commitbb7762961d3ce745688e9050e914c1d3f980268d (patch)
treee841f58cd6188cc44583cd055798b4475a4d68f0 /Documentation
parent48c72d1ab4ec86789a23aed0b0b5f31ac083c0c6 (diff)
parent35d5a9a61490bf39d2e48d7f499c8c801a39ebe9 (diff)
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (22 commits) x86: fix system without memory on node0 x86, mm: Fix node_possible_map logic mm, x86: remove MEMORY_HOTPLUG_RESERVE related code x86: make sparse mem work in non-NUMA mode x86: process.c, remove useless headers x86: merge process.c a bit x86: use sparse_memory_present_with_active_regions() on UMA x86: unify 64-bit UMA and NUMA paging_init() x86: Allow 1MB of slack between the e820 map and SRAT, not 4GB x86: Sanity check the e820 against the SRAT table using e820 map only x86: clean up and and print out initial max_pfn_mapped x86/pci: remove rounding quirk from e820_setup_gap() x86, e820, pci: reserve extra free space near end of RAM x86: fix typo in address space documentation x86: 46 bit physical address support on 64 bits x86, mm: fault.c, use printk_once() in is_errata93() x86: move per-cpu mmu_gathers to mm/init.c x86: move max_pfn_mapped and max_low_pfn_mapped to setup.c x86: unify noexec handling x86: remove (null) in /sys kernel_page_tables ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/x86/x86_64/boot-options.txt5
-rw-r--r--Documentation/x86/x86_64/mm.txt9
2 files changed, 5 insertions, 9 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index 34c13040a718..2db5893d6c97 100644
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -150,11 +150,6 @@ NUMA
150 Otherwise, the remaining system RAM is allocated to an 150 Otherwise, the remaining system RAM is allocated to an
151 additional node. 151 additional node.
152 152
153 numa=hotadd=percent
154 Only allow hotadd memory to preallocate page structures upto
155 percent of already available memory.
156 numa=hotadd=0 will disable hotadd memory.
157
158ACPI 153ACPI
159 154
160 acpi=off Don't enable ACPI 155 acpi=off Don't enable ACPI
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index 29b52b14d0b4..d6498e3cd713 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -6,10 +6,11 @@ Virtual memory map with 4 level page tables:
60000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm 60000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm
7hole caused by [48:63] sign extension 7hole caused by [48:63] sign extension
8ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole 8ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole
9ffff880000000000 - ffffc0ffffffffff (=57 TB) direct mapping of all phys. memory 9ffff880000000000 - ffffc7ffffffffff (=64 TB) direct mapping of all phys. memory
10ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole 10ffffc80000000000 - ffffc8ffffffffff (=40 bits) hole
11ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space 11ffffc90000000000 - ffffe8ffffffffff (=45 bits) vmalloc/ioremap space
12ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB) 12ffffe90000000000 - ffffe9ffffffffff (=40 bits) hole
13ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB)
13... unused hole ... 14... unused hole ...
14ffffffff80000000 - ffffffffa0000000 (=512 MB) kernel text mapping, from phys 0 15ffffffff80000000 - ffffffffa0000000 (=512 MB) kernel text mapping, from phys 0
15ffffffffa0000000 - fffffffffff00000 (=1536 MB) module mapping space 16ffffffffa0000000 - fffffffffff00000 (=1536 MB) module mapping space