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Bernd Schmidt 3c7b204547 nommu: allow private mappings of read-only devices 
Slightly rearrange the logic that determines capabilities and vm_flags.
Disable BDI_CAP_MAP_DIRECT in all cases if the device can't support the
protections.  Allow private readonly mappings of readonly backing devices.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David McCullough <davidm@snapgear.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2010-05-26 08:19:23 -07:00
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Kconfig mm: allow CONFIG_MIGRATION to be set without CONFIG_NUMA or memory hot-remove 2010-05-25 08:06:59 -07:00
Kconfig.debug
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Makefile mm: compaction: memory compaction core 2010-05-25 08:06:59 -07:00
backing-dev.c writeback: fixups for !dirty_writeback_centisecs 2010-05-21 20:00:35 +02:00
bootmem.c
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bounce.c
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compaction.c mm: compaction: add a tunable that decides when memory should be compacted and when it should be reclaimed 2010-05-25 08:06:59 -07:00
debug-pagealloc.c
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dmapool.c
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fadvise.c
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failslab.c
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filemap.c cpuset,mm: fix no node to alloc memory when changing cpuset's mems 2010-05-25 08:06:57 -07:00
filemap_xip.c
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fremap.c
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highmem.c highmem: remove unneeded #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT for debug_kmap_atomic() 2010-05-25 08:07:01 -07:00
hugetlb.c cpuset,mm: fix no node to alloc memory when changing cpuset's mems 2010-05-25 08:06:57 -07:00
hwpoison-inject.c
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init-mm.c
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internal.h
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kmemcheck.c
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kmemleak-test.c
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kmemleak.c
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ksm.c mm: migration: share the anon_vma ref counts between KSM and page migration 2010-05-25 08:06:58 -07:00
maccess.c
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madvise.c
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memcontrol.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-05-20 09:20:59 -07:00
memory-failure.c
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memory.c mm: document follow_page() 2010-05-25 08:07:00 -07:00
memory_hotplug.c mem-hotplug: fix potential race while building zonelist for new populated zone 2010-05-25 08:07:02 -07:00
mempolicy.c mempolicy: ERR_PTR dereference in mpol_shared_policy_init() 2010-05-26 08:19:23 -07:00
mempool.c
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migrate.c mm: compaction: memory compaction core 2010-05-25 08:06:59 -07:00
mincore.c mincore: do nested page table walks 2010-05-25 08:06:58 -07:00
mlock.c
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mm_init.c
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mmap.c
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mmu_context.c
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mmu_notifier.c
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mmzone.c
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mprotect.c
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mremap.c
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msync.c sanitize vfs_fsync calling conventions 2010-05-21 18:31:21 -04:00
nommu.c nommu: allow private mappings of read-only devices 2010-05-26 08:19:23 -07:00
oom_kill.c
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page-writeback.c writeback: fix mixed up arguments to bdi_start_writeback() 2010-05-21 20:01:54 +02:00
page_alloc.c mem-hotplug: fix potential race while building zonelist for new populated zone 2010-05-25 08:07:02 -07:00
page_cgroup.c
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page_io.c
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page_isolation.c
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pagewalk.c
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percpu-km.c
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percpu-vm.c
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percpu.c
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percpu_up.c
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prio_tree.c
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quicklist.c
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readahead.c readahead.c: fix comment 2010-05-25 08:07:00 -07:00
rmap.c mm: migration: avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks 2010-05-25 08:06:59 -07:00
shmem.c shmem: remove redundant code 2010-05-25 08:06:57 -07:00
slab.c cpuset,mm: fix no node to alloc memory when changing cpuset's mems 2010-05-25 08:06:57 -07:00
slob.c mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN to <linux/slob_def.h> 2010-05-19 22:03:13 +03:00
slub.c cpuset,mm: fix no node to alloc memory when changing cpuset's mems 2010-05-25 08:06:57 -07:00
sparse-vmemmap.c
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sparse.c sparsemem: on no vmemmap path put mem_map on node high too 2010-05-25 08:06:56 -07:00
swap.c
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swap_state.c
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swapfile.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 2010-05-21 15:26:46 -07:00
thrash.c
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truncate.c
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util.c
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vmalloc.c
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vmscan.c vmscan: remove isolate_pages callback scan control 2010-05-25 08:07:00 -07:00
vmstat.c mm: compaction: direct compact when a high-order allocation fails 2010-05-25 08:06:59 -07:00