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Cody P Schafer 108bcc96ef mm: add & use zone_end_pfn() and zone_spans_pfn() 
Add 2 helpers (zone_end_pfn() and zone_spans_pfn()) to reduce code
duplication.

This also switches to using them in compaction (where an additional
variable needed to be renamed), page_alloc, vmstat, memory_hotplug, and
kmemleak.

Note that in compaction.c I avoid calling zone_end_pfn() repeatedly
because I expect at some point the sycronization issues with start_pfn &
spanned_pages will need fixing, either by actually using the seqlock or
clever memory barrier usage.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: David Hansen <dave@linux.vnet.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-23 17:50:20 -08:00
..
backing-dev.c
bdi: allow block devices to say that they require stable page writes
2013-02-21 17:22:19 -08:00
balloon_compaction.c
mm: introduce a common interface for balloon pages mobility
2012-12-11 17:22:26 -08:00
bootmem.c
mm: Add alloc_bootmem_low_pages_nopanic()
2013-01-29 19:32:59 -08:00
bounce.c
block: optionally snapshot page contents to provide stable pages during write
2013-02-21 17:22:20 -08:00
cleancache.c
->encode_fh() API change
2012-05-29 23:28:33 -04:00
compaction.c
mm: add & use zone_end_pfn() and zone_spans_pfn()
2013-02-23 17:50:20 -08:00
debug-pagealloc.c
mm, x86: Remove debug_pagealloc_enabled
2011-12-06 09:24:07 +01:00
dmapool.c
dmapool: make DMAPOOL_DEBUG detect corruption of free marker
2012-12-11 17:22:24 -08:00
fadvise.c
switch simple cases of fget_light to fdget
2012-09-26 22:20:08 -04:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
mm: move all mmu notifier invocations to be done outside the PT lock
2012-10-09 16:22:58 +09:00
filemap.c
mm: only enforce stable page writes if the backing device requires it
2013-02-21 17:22:19 -08:00
fremap.c
mm: introduce VM_POPULATE flag to better deal with racy userspace programs
2013-02-23 17:50:11 -08:00
frontswap.c
frontswap: support exclusive gets if tmem backend is capable
2012-09-21 10:38:12 -04:00
highmem.c
Some nice cleanups, and even a patch my wife did as a "live" demo for
2012-12-20 08:37:05 -08:00
huge_memory.c
mm: rename page struct field helpers
2013-02-23 17:50:18 -08:00
hugetlb_cgroup.c
mm/hugetlb: create hugetlb cgroup file in hugetlb_init
2012-12-18 15:02:15 -08:00
hugetlb.c
mm/hugetlb.c: convert to pr_foo()
2013-02-23 17:50:09 -08:00
hwpoison-inject.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm: directly use __mlock_vma_pages_range() in find_extend_vma()
2013-02-23 17:50:11 -08:00
interval_tree.c
mm: add CONFIG_DEBUG_VM_RB build option
2012-10-09 16:22:42 +09:00
Kconfig
memory-hotplug: implement register_page_bootmem_info_section of sparse-vmemmap
2013-02-23 17:50:12 -08:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c
mm: add & use zone_end_pfn() and zone_spans_pfn()
2013-02-23 17:50:20 -08:00
ksm.c
ksm: stop hotremove lockdep warning
2013-02-23 17:50:20 -08:00
maccess.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
madvise.c
mm: make madvise(MADV_WILLNEED) support swap file prefetch
2013-02-23 17:50:10 -08:00
Makefile
mm: introduce a common interface for balloon pages mobility
2012-12-11 17:22:26 -08:00
memblock.c
mm/memblock.c: use CONFIG_HAVE_MEMBLOCK_NODE_MAP to protect movablecore_map in memblock_overlaps_region().
2013-02-23 17:50:14 -08:00
memcontrol.c
mm: refactor inactive_file_is_low() to use get_lru_size()
2013-02-23 17:50:20 -08:00
memory_hotplug.c
mm: add & use zone_end_pfn() and zone_spans_pfn()
2013-02-23 17:50:20 -08:00
memory-failure.c
mm: remove offlining arg to migrate_pages
2013-02-23 17:50:19 -08:00
memory.c
ksm: remove old stable nodes more thoroughly
2013-02-23 17:50:19 -08:00
mempolicy.c
mm: remove offlining arg to migrate_pages
2013-02-23 17:50:19 -08:00
mempool.c
mempool: add @gfp_mask to mempool_create_node()
2012-06-25 11:53:47 +02:00
migrate.c
mm: remove offlining arg to migrate_pages
2013-02-23 17:50:19 -08:00
mincore.c
swap: make each swap partition have one address_space
2013-02-23 17:50:17 -08:00
mlock.c
mm/mlock.c: document scary-looking stack expansion mlock chain
2013-02-23 17:50:20 -08:00
mm_init.c
mm: init: report on last-nid information stored in page->flags
2013-02-23 17:50:18 -08:00
mmap.c
mm/rmap: rename anon_vma_unlock() => anon_vma_unlock_write()
2013-02-23 17:50:17 -08:00
mmu_context.c
mm, counters: remove task argument to sync_mm_rss() and __sync_task_rss_stat()
2012-03-21 17:54:59 -07:00
mmu_notifier.c
mm/mmu_notifier: allocate mmu_notifier in advance
2012-10-25 14:37:53 -07:00
mmzone.c
mm: rename page struct field helpers
2013-02-23 17:50:18 -08:00
mprotect.c
mm/mprotect.c: coding-style cleanups
2012-12-18 15:02:15 -08:00
mremap.c
mm/rmap: rename anon_vma_unlock() => anon_vma_unlock_write()
2013-02-23 17:50:17 -08:00
msync.c
…
nobootmem.c
mm: Add alloc_bootmem_low_pages_nopanic()
2013-01-29 19:32:59 -08:00
nommu.c
swap: add per-partition lock for swapfile
2013-02-23 17:50:17 -08:00
oom_kill.c
memcg, oom: provide more precise dump info while memcg oom happening
2013-02-23 17:50:08 -08:00
page_alloc.c
mm: add & use zone_end_pfn() and zone_spans_pfn()
2013-02-23 17:50:20 -08:00
page_cgroup.c
memcontrol: use N_MEMORY instead N_HIGH_MEMORY
2012-12-12 17:38:32 -08:00
page_io.c
mm: add support for direct_IO to highmem pages
2012-07-31 18:42:47 -07:00
page_isolation.c
mm: fix zone_watermark_ok_safe() accounting of isolated pages
2013-01-04 16:11:46 -08:00
page-writeback.c
page-writeback.c: subtract min_free_kbytes from dirtyable memory
2013-02-23 17:50:17 -08:00
pagewalk.c
thp: change split_huge_page_pmd() interface
2012-12-12 17:38:31 -08:00
percpu-km.c
…
percpu-vm.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu.c
mm, percpu: Make sure percpu_alloc early parameter has an argument
2012-12-02 06:23:04 -08:00
pgtable-generic.c
mm: Only flush the TLB when clearing an accessible pte
2012-12-11 14:28:34 +00:00
process_vm_access.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
switch simple cases of fget_light to fdget
2012-09-26 22:20:08 -04:00
rmap.c
mm/rmap: rename anon_vma_unlock() => anon_vma_unlock_write()
2013-02-23 17:50:17 -08:00
shmem.c
mm: shmem: use new radix tree iterator
2013-02-23 17:50:20 -08:00
slab_common.c
slab: propagate tunable values
2012-12-18 15:02:14 -08:00
slab.c
memcg: add comments clarifying aspects of cache attribute propagation
2012-12-18 15:02:15 -08:00
slab.h
slab: propagate tunable values
2012-12-18 15:02:14 -08:00
slob.c
mm: rename page struct field helpers
2013-02-23 17:50:18 -08:00
slub.c
mm: rename page struct field helpers
2013-02-23 17:50:18 -08:00
sparse-vmemmap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
sparse.c
memory-failure: use num_poisoned_pages instead of mce_bad_pages
2013-02-23 17:50:15 -08:00
swap_state.c
swap: add per-partition lock for swapfile
2013-02-23 17:50:17 -08:00
swap.c
swap: make each swap partition have one address_space
2013-02-23 17:50:17 -08:00
swapfile.c
swap: add per-partition lock for swapfile
2013-02-23 17:50:17 -08:00
truncate.c
mm: drop vmtruncate
2012-12-20 18:46:29 -05:00
util.c
swap: make each swap partition have one address_space
2013-02-23 17:50:17 -08:00
vmalloc.c
mm: use IS_ENABLED(CONFIG_NUMA) instead of NUMA_BUILD
2012-12-11 17:22:22 -08:00
vmscan.c
mm: refactor inactive_file_is_low() to use get_lru_size()
2013-02-23 17:50:20 -08:00
vmstat.c
mm: add & use zone_end_pfn() and zone_spans_pfn()
2013-02-23 17:50:20 -08:00