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Benjamin Herrenschmidt 0ef89d25d3 mm/hugetlb: don't crash when HPAGE_SHIFT is 0 
Some platform decide whether they support huge pages at boot time.  On
these, such as powerpc, HPAGE_SHIFT is a variable, not a constant, and is
set to 0 when there is no such support.

The patches to introduce multiple huge pages support broke that causing
the kernel to crash at boot time on machines such as POWER3 which lack
support for multiple page sizes.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-01 12:46:41 -07:00
..
allocpercpu.c
mm/allocpercpu.c: make 4 functions static
2008-07-26 12:00:12 -07:00
backing-dev.c
mm: bdi: fix race in bdi_class device creation
2008-05-20 13:31:53 -07:00
bootmem.c
bootmem: replace node_boot_start in struct bootmem_data
2008-07-24 10:47:20 -07:00
bounce.c
block: Initial support for data-less (or empty) barrier support
2007-10-16 11:03:56 +02:00
dmapool.c
dmapool: enable debugging for CONFIG_SLUB_DEBUG_ON too
2008-04-28 08:58:20 -07:00
fadvise.c
xip: support non-struct page backed memory
2008-04-28 08:58:23 -07:00
filemap_xip.c
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
filemap.c
Fix off-by-one error in iov_iter_advance()
2008-07-30 14:50:18 -07:00
fremap.c
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
highmem.c
highmem: Export totalhigh_pages.
2008-07-19 22:39:46 -07:00
hugetlb.c
mm/hugetlb: don't crash when HPAGE_SHIFT is 0
2008-08-01 12:46:41 -07:00
internal.h
mm: export prep_compound_page to mm
2008-07-24 10:47:17 -07:00
Kconfig
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
maccess.c
kgdb: fix optional arch functions and probe_kernel_*
2008-04-17 20:05:39 +02:00
madvise.c
madvise: update function comment of madvise_dontneed
2008-07-30 09:41:45 -07:00
Makefile
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
memcontrol.c
memcg: remove redundant check in move_task()
2008-07-30 09:41:44 -07:00
memory_hotplug.c
memory-hotplug: add sysfs removable attribute for hotplug memory remove
2008-07-24 10:47:21 -07:00
memory.c
GRU Driver: export is_uv_system(), zap_page_range() & follow_page()
2008-07-30 09:41:48 -07:00
mempolicy.c
hugetlb: modular state for hugetlb page size
2008-07-24 10:47:17 -07:00
mempool.c
spelling fixes: mm/
2007-10-20 01:27:18 +02:00
migrate.c
mm: spinlock tree_lock
2008-07-26 12:00:06 -07:00
mincore.c
mm: remove nopage
2008-04-28 08:58:18 -07:00
mlock.c
do not limit locked memory when RLIMIT_MEMLOCK is RLIM_INFINITY
2007-07-16 09:05:37 -07:00
mm_init.c
mm: create /sys/kernel/mm
2008-07-24 10:47:17 -07:00
mmap.c
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
mmu_notifier.c
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
mmzone.c
mm: filter based on a nodemask as well as a gfp_mask
2008-04-28 08:58:19 -07:00
mprotect.c
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
mremap.c
mmu-notifiers: core
2008-07-28 16:30:21 -07:00
msync.c
Detach sched.h from mm.h
2007-05-21 09:18:19 -07:00
nommu.c
tracehook: tracehook_expect_breakpoints
2008-07-26 12:00:09 -07:00
oom_kill.c
oom_kill: remove unused parameter in badness()
2008-04-28 08:58:26 -07:00
page_alloc.c
mm: remove find_max_pfn_with_active_regions
2008-07-30 09:41:44 -07:00
page_io.c
mm: fix PageUptodate data race
2008-02-05 09:44:19 -08:00
page_isolation.c
memory hotremove: unset migrate type "ISOLATE" after removal
2007-11-14 18:45:38 -08:00
page-writeback.c
mm: spinlock tree_lock
2008-07-26 12:00:06 -07:00
pagewalk.c
pagemap: pass mm into pagewalkers
2008-06-12 18:05:41 -07:00
pdflush.c
pdflush: use time_after() instead of open-coding it
2008-07-25 10:53:28 -07:00
prio_tree.c
spelling fixes: mm/
2007-10-20 01:27:18 +02:00
quicklist.c
quicklists: Only consider memory that can be used with GFP_KERNEL
2008-01-14 08:52:22 -08:00
readahead.c
mm: readahead scan lockless
2008-07-26 12:00:06 -07:00
rmap.c
[S390] Optimize storage key operations for anon pages
2008-08-01 16:39:30 +02:00
shmem_acl.c
[PATCH] sanitize ->permission() prototype
2008-07-26 20:53:14 -04:00
shmem.c
tmpfs: fix kernel BUG in shmem_delete_inode
2008-07-28 16:30:20 -07:00
slab.c
SL*B: drop kmem cache argument from constructor
2008-07-26 12:00:07 -07:00
slob.c
SL*B: drop kmem cache argument from constructor
2008-07-26 12:00:07 -07:00
slub.c
SL*B: drop kmem cache argument from constructor
2008-07-26 12:00:07 -07:00
sparse-vmemmap.c
Christoph has moved
2008-07-04 10:40:04 -07:00
sparse.c
make mm/sparse.c: make a function static
2008-07-26 12:00:12 -07:00
swap_state.c
mm: print swapcache page count in show_swap_cache_info()
2008-07-26 12:00:10 -07:00
swap.c
swap: update function comment of release_pages
2008-07-30 09:41:46 -07:00
swapfile.c
swapfile/vmscan: update comments related to vmscan functions
2008-07-30 09:41:46 -07:00
thrash.c
Bug in mm/thrash.c function grab_swap_token()
2007-05-11 08:29:32 -07:00
tiny-shmem.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2008-03-25 08:57:47 -07:00
truncate.c
mm: spinlock tree_lock
2008-07-26 12:00:06 -07:00
util.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2008-07-26 20:17:56 -07:00
vmalloc.c
Use WARN() in mm/vmalloc.c
2008-07-26 12:00:07 -07:00
vmscan.c
do_try_to_free_page: update comments related to vmscan functions
2008-07-30 09:41:46 -07:00
vmstat.c
mm/vmstat.c: proper externs
2008-07-24 10:47:14 -07:00