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authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 02:22:41 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 02:22:41 +0200
commitdf133e8fa8e1d4afa57c84953bf80eaed2b145e0 (patch)
tree863d38b50f91629513a414227874a1142d5d21e5 /Documentation
parente3438330f58330ec236c861d43f46bef06780e62 (diff)
parentbeb9147e95a75f41c984d7235cf6d59f3ca2d5db (diff)
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar: "This tree includes the following changes: - fix memory hotplug - fix hibernation bootup memory layout assumptions - fix hyperv numa guest kernel messages - remove dead code - update documentation" * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Update memory map description to list hypervisor-reserved area x86/mm, hibernate: Do not assume the first e820 area to be RAM x86/mm/numa: Drop dead code and rename setup_node_data() to setup_alloc_data() x86/mm/hotplug: Modify PGD entry when removing memory x86/mm/hotplug: Pass sync_global_pgds() a correct argument in remove_pagetable() x86: Remove set_pmd_pfn
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/x86/x86_64/mm.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index afe68ddbe6a..052ee643a32 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -5,7 +5,7 @@ Virtual memory map with 4 level page tables:
0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm
hole caused by [48:63] sign extension
-ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole
+ffff800000000000 - ffff87ffffffffff (=43 bits) guard hole, reserved for hypervisor
ffff880000000000 - ffffc7ffffffffff (=64 TB) direct mapping of all phys. memory
ffffc80000000000 - ffffc8ffffffffff (=40 bits) hole
ffffc90000000000 - ffffe8ffffffffff (=45 bits) vmalloc/ioremap space