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David Rientjes a3b51e0142 mempolicy: convert MPOL constants to enum 
The mempolicy mode constants, MPOL_DEFAULT, MPOL_PREFERRED, MPOL_BIND, and
MPOL_INTERLEAVE, are better declared as part of an enum since they are
sequentially numbered and cannot be combined.

The policy member of struct mempolicy is also converted from type short to
type unsigned short.  A negative policy does not have any legitimate meaning,
so it is possible to change its type in preparation for adding optional mode
flags later.

The equivalent member of struct shmem_sb_info is also changed from int to
unsigned short.

For compatibility, the policy formal to get_mempolicy() remains as a pointer
to an int:

	int get_mempolicy(int *policy, unsigned long *nmask,
			  unsigned long maxnode, unsigned long addr,
			  unsigned long flags);

although the only possible values is the range of type unsigned short.

Cc: Paul Jackson <pj@sgi.com>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-04-28 08:58:19 -07:00
..
Kconfig sh: Bump number of quicklists for SH-5. 2008-01-28 13:18:55 +09:00
Makefile uaccess: add probe_kernel_write() 2008-04-17 20:05:36 +02:00
allocpercpu.c cpumask: Cleanup more uses of CPU_MASK and NODE_MASK 2008-04-19 19:44:58 +02:00
backing-dev.c mm/backing-dev.c: fix percpu_counter_destroy call bug in bdi_init 2007-12-05 09:21:18 -08:00
bootmem.c mm: allow reserve_bootmem() cross nodes 2008-04-26 22:51:08 +02:00
bounce.c block: Initial support for data-less (or empty) barrier support 2007-10-16 11:03:56 +02:00
dmapool.c pool: Improve memory usage for devices which can't cross boundaries 2007-12-04 10:39:58 -05:00
fadvise.c check ADVICE of fadvise64_64 even if get_xip_page is given 2008-02-05 09:44:19 -08:00
filemap.c mm: fix various kernel-doc comments 2008-03-19 18:53:35 -07:00
filemap_xip.c Use pgoff_t instead of unsigned long 2008-02-08 09:22:32 -08:00
fremap.c mm: fix various kernel-doc comments 2008-03-19 18:53:35 -07:00
highmem.c mm: highmem kernel-doc additions 2008-03-19 18:53:35 -07:00
hugetlb.c hugetlb: decrease hugetlb_lock cycling in gather_surplus_huge_pages 2008-04-28 08:58:19 -07:00
internal.h Solve section mismatch for free_area_init_core. 2008-02-23 17:13:24 -08:00
maccess.c kgdb: fix optional arch functions and probe_kernel_* 2008-04-17 20:05:39 +02:00
madvise.c
…
memcontrol.c memcg: fix node_state handling 2008-04-08 18:25:53 -07:00
memory.c mm: remove nopage 2008-04-28 08:58:18 -07:00
memory_hotplug.c hotplug-memory: make online_page() common 2008-04-28 08:58:17 -07:00
mempolicy.c mempolicy: convert MPOL constants to enum 2008-04-28 08:58:19 -07:00
mempool.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
migrate.c memcg: fix VM_BUG_ON from page migration 2008-03-04 16:35:14 -08:00
mincore.c mm: remove nopage 2008-04-28 08:58:18 -07:00
mlock.c
…
mmap.c mmap_region: cleanup the final vma_merge() related code 2008-04-28 08:58:18 -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 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
…
nommu.c nommu: add new vmalloc_user() and remap_vmalloc_range() interfaces. 2008-02-05 09:44:21 -08:00
oom_kill.c mm: have zonelist contains structs with both a zone pointer and zone_idx 2008-04-28 08:58:18 -07:00
page-writeback.c writeback: speed up writeback of big dirty files 2008-02-05 09:44:19 -08:00
page_alloc.c mm: filter based on a nodemask as well as a gfp_mask 2008-04-28 08:58:19 -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
pagewalk.c mm: fix possible off-by-one in walk_pte_range() 2008-04-28 08:58:16 -07:00
pdflush.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/juhl/trivial 2008-04-21 16:36:46 -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: fix kernel-doc notation 2008-03-19 18:53:37 -07:00
rmap.c mm: remove nopage 2008-04-28 08:58:18 -07:00
shmem.c mempolicy: convert MPOL constants to enum 2008-04-28 08:58:19 -07:00
shmem_acl.c
…
slab.c mm: move cache_line_size() to <linux/cache.h> 2008-04-28 08:58:19 -07:00
slob.c slob: reduce external fragmentation by using three free lists 2008-02-05 09:44:19 -08:00
slub.c mm: move cache_line_size() to <linux/cache.h> 2008-04-28 08:58:19 -07:00
sparse-vmemmap.c NULL noise: fs/*, mm/*, kernel/* 2008-03-30 14:18:41 -07:00
sparse.c hotplug memory remove: generic __remove_pages() support 2008-04-28 08:58:17 -07:00
swap.c mm: fix various kernel-doc comments 2008-03-19 18:53:35 -07:00
swap_state.c mm: fix various kernel-doc comments 2008-03-19 18:53:35 -07:00
swapfile.c mm: try both endianess when checking for endianess 2008-04-28 08:58:19 -07:00
thrash.c
…
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 fix invalidate_inode_pages2_range() to not clear ret 2008-04-28 08:58:18 -07:00
util.c fix mm/util.c:krealloc() 2007-11-14 18:45:41 -08:00
vmalloc.c mm: fix various kernel-doc comments 2008-03-19 18:53:35 -07:00
vmscan.c mm: have zonelist contains structs with both a zone pointer and zone_idx 2008-04-28 08:58:18 -07:00
vmstat.c mm: remember what the preferred zone is for zone_statistics 2008-04-28 08:58:18 -07:00