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Jianyu Zhan 4be89a3460 mm/vmscan.c: use DIV_ROUND_UP for calculation of zone's balance_gap and correct comments. 
Currently, we use (zone->managed_pages + KSWAPD_ZONE_BALANCE_GAP_RATIO-1)
/ KSWAPD_ZONE_BALANCE_GAP_RATIO to avoid a zero gap value.  It's better to
use DIV_ROUND_UP macro for neater code and clear meaning.

Besides, the gap value is calculated against the per-zone "managed pages",
not "present pages".  This patch also corrects the comment and do some
rephrasing.

Signed-off-by: Jianyu Zhan <nasa4836@gmail.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Rafael Aquini <aquini@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:11 -07:00
..
backing-dev.c
arch: Mass conversion of smp_mb__*()
2014-04-18 14:20:48 +02:00
balloon_compaction.c
mm: print more details for bad_page()
2014-01-23 16:36:50 -08:00
bootmem.c
mm/bootmem.c: remove unused local `map'
2013-11-13 12:09:09 +09:00
cleancache.c
mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE
2014-01-23 16:36:50 -08:00
compaction.c
mm/compaction: avoid rescanning pageblocks in isolate_freepages
2014-06-04 16:54:07 -07:00
debug-pagealloc.c
…
dmapool.c
mm/dmapool.c: reuse devres_release() to free resources
2014-06-04 16:54:08 -07:00
early_ioremap.c
mm: create generic early_ioremap() support
2014-04-07 16:36:15 -07:00
fadvise.c
teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long
2013-03-03 22:46:22 -05:00
failslab.c
…
filemap_xip.c
seqcount: Add lockdep functionality to seqcount/seqlock structures
2013-11-06 12:40:26 +01:00
filemap.c
mm: avoid unnecessary atomic operations during end_page_writeback()
2014-06-04 16:54:10 -07:00
fremap.c
mm: softdirty: make freshly remapped file pages being softdirty unconditionally
2014-06-04 16:53:56 -07:00
frontswap.c
swap: change swap_list_head to plist, add swap_avail_head
2014-06-04 16:54:07 -07:00
gup.c
mm: cleanup __get_user_pages()
2014-06-04 16:54:05 -07:00
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/huge_memory.c: complete conversion to pr_foo()
2014-06-04 16:53:58 -07:00
hugetlb_cgroup.c
cgroup: drop const from @buffer of cftype->write_string()
2014-03-19 10:23:54 -04:00
hugetlb.c
mm, hugetlb: move the error handle logic out of normal code path
2014-06-04 16:54:10 -07:00
hwpoison-inject.c
mm/hwpoison: add '#' to hwpoison_inject
2014-01-21 16:19:48 -08:00
init-mm.c
…
internal.h
mm: fold mlocked_vma_newpage() into its only call site
2014-06-04 16:54:07 -07:00
interval_tree.c
…
iov_iter.c
take iov_iter stuff to mm/iov_iter.c
2014-04-01 23:19:30 -04:00
Kconfig
hugetlb: restrict hugepage_migration_support() to x86_64
2014-06-04 16:53:51 -07:00
Kconfig.debug
…
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c
mem-hotplug: implement get/put_online_mems
2014-06-04 16:53:59 -07:00
ksm.c
mm: close PageTail race
2014-03-04 07:55:47 -08:00
list_lru.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
maccess.c
…
madvise.c
mm: madvise: fix MADV_WILLNEED on shmem swapouts
2014-05-23 09:37:29 -07:00
Makefile
mm: move get_user_pages()-related code to separate file
2014-06-04 16:54:04 -07:00
memblock.c
mm/memblock.c: use PFN_DOWN
2014-06-04 16:54:02 -07:00
memcontrol.c
memcg: cleanup kmem cache creation/destruction functions naming
2014-06-04 16:54:08 -07:00
memory_hotplug.c
mm, migration: add destination page freeing callback
2014-06-04 16:54:06 -07:00
memory-failure.c
mm/memory-failure.c: move comment
2014-06-04 16:54:10 -07:00
memory.c
mm: move get_user_pages()-related code to separate file
2014-06-04 16:54:04 -07:00
mempolicy.c
mm, migration: add destination page freeing callback
2014-06-04 16:54:06 -07:00
mempool.c
mm/mempool: warn about __GFP_ZERO usage
2014-06-04 16:53:58 -07:00
migrate.c
mm, migration: add destination page freeing callback
2014-06-04 16:54:06 -07:00
mincore.c
mm + fs: prepare for non-page entries in page cache radix trees
2014-04-03 16:21:00 -07:00
mlock.c
mm: try_to_unmap_cluster() should lock_page() before mlocking
2014-04-07 16:35:57 -07:00
mm_init.c
mm: bring back /sys/kernel/mm
2014-01-27 21:02:39 -08:00
mmap.c
mm/mmap.c: remove the first mapping check
2014-06-04 16:54:01 -07:00
mmu_context.c
sched/mm: call finish_arch_post_lock_switch in idle_task_exit and use_mm
2014-02-21 08:50:17 +01:00
mmu_notifier.c
mm: audit/fix non-modular users of module_init in core code
2014-01-23 16:36:52 -08:00
mmzone.c
mm: numa: Change page last {nid,pid} into {cpu,pid}
2013-10-09 14:47:45 +02:00
mprotect.c
mm: move mmu notifier call from change_protection to change_pmd_range
2014-04-07 16:35:50 -07:00
mremap.c
mm, thp: close race between mremap() and split_huge_page()
2014-05-11 17:55:48 +09:00
msync.c
…
nobootmem.c
mm/nobootmem.c: mark function as static
2014-04-03 16:21:02 -07:00
nommu.c
mm: fix 'ERROR: do not initialise globals to 0 or NULL' and coding style
2014-04-07 16:35:55 -07:00
oom_kill.c
mm, oom: base root bonus on current usage
2014-01-30 16:56:56 -08:00
page_alloc.c
mm: page_alloc: calculate classzone_idx once from the zonelist ref
2014-06-04 16:54:10 -07:00
page_cgroup.c
mm/page_cgroup.c: mark functions as static
2014-04-03 16:21:02 -07:00
page_io.c
swap: use bdev_read_page() / bdev_write_page()
2014-06-04 16:54:02 -07:00
page_isolation.c
mm: memory-hotplug: enable memory hotplug to handle hugepage
2013-09-11 15:57:48 -07:00
page-writeback.c
mm: replace __get_cpu_var uses with this_cpu_ptr
2014-06-04 16:54:03 -07:00
pagewalk.c
mm/pagewalk.c: fix walk_page_range() access of wrong PTEs
2013-10-30 14:27:03 -07:00
percpu-km.c
…
percpu-vm.c
…
percpu.c
percpu: make pcpu_alloc_chunk() use pcpu_mem_free() instead of kfree()
2014-04-14 16:18:06 -04:00
pgtable-generic.c
mm: fix TLB flush race between migration, and change_protection_range
2013-12-18 19:04:51 -08:00
process_vm_access.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
quicklist.c
…
readahead.c
mm/readahead.c: inline ra_submit
2014-04-07 16:35:58 -07:00
rmap.c
mm: fold mlocked_vma_newpage() into its only call site
2014-06-04 16:54:07 -07:00
shmem.c
mm: non-atomically mark page accessed during page cache allocation where possible
2014-06-04 16:54:10 -07:00
slab_common.c
slab: delete cache from list after __kmem_cache_shutdown succeeds
2014-06-04 16:54:08 -07:00
slab.c
memcg, slab: merge memcg_{bind,release}_pages to memcg_{un}charge_slab
2014-06-04 16:54:01 -07:00
slab.h
memcg, slab: merge memcg_{bind,release}_pages to memcg_{un}charge_slab
2014-06-04 16:54:01 -07:00
slob.c
slab: get_online_mems for kmem_cache_{create,destroy,shrink}
2014-06-04 16:53:59 -07:00
slub.c
mm: replace __get_cpu_var uses with this_cpu_ptr
2014-06-04 16:54:03 -07:00
sparse-vmemmap.c
mm/sparse: use memblock apis for early memory allocations
2014-01-21 16:19:47 -08:00
sparse.c
mm: use macros from compiler.h instead of __attribute__((...))
2014-04-07 16:35:54 -07:00
swap_state.c
mm: page_alloc: convert hot/cold parameter and immediate callers to bool
2014-06-04 16:54:09 -07:00
swap.c
mm: non-atomically mark page accessed during page cache allocation where possible
2014-06-04 16:54:10 -07:00
swapfile.c
swap: change swap_list_head to plist, add swap_avail_head
2014-06-04 16:54:07 -07:00
truncate.c
mm: filemap: update find_get_pages_tag() to deal with shadow entries
2014-05-06 13:04:59 -07:00
util.c
nick kvfree() from apparmor
2014-05-06 14:02:53 -04:00
vmacache.c
mm,vmacache: optimize overflow system-wide flushing
2014-06-04 16:53:57 -07:00
vmalloc.c
mm/vmalloc.c: replace seq_printf by seq_puts
2014-06-04 16:54:04 -07:00
vmpressure.c
arm, pm, vmpressure: add missing slab.h includes
2014-02-03 13:24:01 -05:00
vmscan.c
mm/vmscan.c: use DIV_ROUND_UP for calculation of zone's balance_gap and correct comments.
2014-06-04 16:54:11 -07:00
vmstat.c
mm: use the light version __mod_zone_page_state in mlocked_vma_newpage()
2014-06-04 16:54:07 -07:00
workingset.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
zbud.c
mm/zbud: fix some trivial typos in comments
2013-09-11 15:57:35 -07:00
zsmalloc.c
mm: replace __get_cpu_var uses with this_cpu_ptr
2014-06-04 16:54:03 -07:00
zswap.c
Merge branch 'akpm' (incoming from Andrew)
2014-04-07 16:38:06 -07:00