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Linus Torvalds 6a22c57b8d Revert "x86_64: allocate sparsemem memmap above 4G" 
This reverts commit 2e1c49db4c.

First off, testing in Fedora has shown it to cause boot failures,
bisected down by Martin Ebourne, and reported by Dave Jobes.  So the
commit will likely be reverted in the 2.6.23 stable kernels.

Secondly, in the 2.6.24 model, x86-64 has now grown support for
SPARSEMEM_VMEMMAP, which disables the relevant code anyway, so while the
bug is not visible any more, it's become invisible due to the code just
being irrelevant and no longer enabled on the only architecture that
this ever affected.

Reported-by: Dave Jones <davej@redhat.com>
Tested-by: Martin Ebourne <fedora@ebourne.me.uk>
Cc: Zou Nan hai <nanhai.zou@intel.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-29 14:05:37 -07:00
..
allocpercpu.c Slab allocators: Replace explicit zeroing with __GFP_ZERO 2007-07-17 10:23:02 -07:00
backing-dev.c mm: per device dirty threshold 2007-10-17 08:42:45 -07:00
bootmem.c
bounce.c block: Initial support for data-less (or empty) barrier support 2007-10-16 11:03:56 +02:00
fadvise.c
filemap_xip.c mm: write iovec cleanup 2007-10-16 09:42:54 -07:00
filemap.c Fix a build error when BLOCK=n 2007-10-29 11:33:06 +01:00
fremap.c remap_file_pages: kernel-doc corrections 2007-10-17 08:43:07 -07:00
highmem.c Create the ZONE_MOVABLE zone 2007-07-17 10:22:59 -07:00
hugetlb.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
internal.h Breakout page_order() to internal.h to avoid special knowledge of the buddy allocator 2007-10-16 09:43:01 -07:00
Kconfig small documentation fixes 2007-10-20 02:46:58 +02:00
madvise.c speed up madvise_need_mmap_write() usage 2007-07-16 09:05:36 -07:00
Makefile memory unplug: page isolation 2007-10-16 09:43:02 -07:00
memory_hotplug.c memory hotplug: rearrange memory hotplug notifier 2007-10-22 08:13:17 -07:00
memory.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
mempolicy.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
mempool.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
migrate.c Typo fixes retrun -> return 2007-10-20 02:13:26 +02:00
mincore.c
mlock.c do not limit locked memory when RLIMIT_MEMLOCK is RLIM_INFINITY 2007-07-16 09:05:37 -07:00
mmap.c fix mprotect vma_wants_writenotify prot 2007-10-23 08:32:06 -07:00
mmzone.c
mprotect.c fix mprotect vma_wants_writenotify prot 2007-10-23 08:32:06 -07:00
mremap.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
msync.c Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
nommu.c NOMMU: mm/nommu.c needs linux/module.h 2007-10-29 07:53:26 -07:00
oom_kill.c oom_kill bug 2007-10-20 15:04:06 -07:00
page_alloc.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
page_io.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
page_isolation.c memory unplug: page isolation 2007-10-16 09:43:02 -07:00
page-writeback.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
pdflush.c Freezer: make kernel threads nonfreezable by default 2007-07-17 10:23:02 -07:00
prio_tree.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
quicklist.c
readahead.c mm: bdi init hooks 2007-10-17 08:42:45 -07:00
rmap.c mm: document tree_lock->zone.lock lockorder 2007-10-17 08:42:46 -07:00
shmem_acl.c
shmem.c exportfs: make struct export_operations const 2007-10-22 08:13:21 -07:00
slab.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
slob.c Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
slub.c missing atomic_read_long() in slub.c 2007-10-29 07:41:32 -07:00
sparse-vmemmap.c memory hotplug: Hot-add with sparsemem-vmemmap 2007-10-16 09:43:02 -07:00
sparse.c Revert "x86_64: allocate sparsemem memmap above 4G" 2007-10-29 14:05:37 -07:00
swap_state.c mm: clarify __add_to_swap_cache locking 2007-10-16 09:42:53 -07:00
swap.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
swapfile.c Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATION 2007-07-29 16:45:38 -07:00
thrash.c Bug in mm/thrash.c function grab_swap_token() 2007-05-11 08:29:32 -07:00
tiny-shmem.c r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
truncate.c Drop some headers from mm.h 2007-10-17 08:42:55 -07:00
util.c Slab allocators: fail if ksize is called with a NULL parameter 2007-10-16 09:42:53 -07:00
vmalloc.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
vmscan.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
vmstat.c oom: change all_unreclaimable zone member to flags 2007-10-17 08:42:45 -07:00