Gavin Shan 5b760e64a6 mm/sparse: optimize sparse_index_alloc ... With CONFIG_SPARSEMEM_EXTREME, the two levels of memory section descriptors are allocated from slab or bootmem. When allocating from slab, let slab/bootmem allocator clear the memory chunk. We needn't clear it explicitly. Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2012-07-31 18:42:49 -07:00
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backing-dev.c
bootmem.c
bounce.c
cleancache.c
compaction.c
debug-pagealloc.c
dmapool.c
fadvise.c
failslab.c
filemap_xip.c
filemap.c
fremap.c
frontswap.c
highmem.c	mm: add support for direct_IO to highmem pages	2012-07-31 18:42:47 -07:00
huge_memory.c
hugetlb_cgroup.c
hugetlb.c
hwpoison-inject.c
init-mm.c
internal.h	netvm: allow skb allocation to use PFMEMALLOC reserves	2012-07-31 18:42:46 -07:00
Kconfig	mm: factor out memory isolate functions	2012-07-31 18:42:45 -07:00
Kconfig.debug
kmemcheck.c
kmemleak-test.c
kmemleak.c
ksm.c
maccess.c
madvise.c
Makefile	mm: factor out memory isolate functions	2012-07-31 18:42:45 -07:00
memblock.c
memcontrol.c	memcg: add mem_cgroup_from_css() helper	2012-07-31 18:42:49 -07:00
memory_hotplug.c	mm/hotplug: free zone->pageset when a zone becomes empty	2012-07-31 18:42:44 -07:00
memory-failure.c
memory.c
mempolicy.c
mempool.c
migrate.c	mm: memcg: fix compaction/migration failing due to memcg limits	2012-07-31 18:42:48 -07:00
mincore.c
mlock.c
mm_init.c
mmap.c
mmu_context.c
mmu_notifier.c	mm: mmu_notifier: fix freed page still mapped in secondary MMU	2012-07-31 18:42:49 -07:00
mmzone.c
mprotect.c
mremap.c
msync.c
nobootmem.c
nommu.c
oom_kill.c	mm, memcg: move all oom handling to memcontrol.c	2012-07-31 18:42:45 -07:00
page_alloc.c	mm: throttle direct reclaimers if PF_MEMALLOC reserves are low and swap is backed by network storage	2012-07-31 18:42:46 -07:00
page_cgroup.c
page_io.c	mm: add support for direct_IO to highmem pages	2012-07-31 18:42:47 -07:00
page_isolation.c	memory-hotplug: fix kswapd looping forever problem	2012-07-31 18:42:45 -07:00
page-writeback.c
pagewalk.c
percpu-km.c
percpu-vm.c
percpu.c
pgtable-generic.c
prio_tree.c
process_vm_access.c
quicklist.c
readahead.c
rmap.c
shmem.c
slab_common.c
slab.c	mm: micro-optimise slab to avoid a function call	2012-07-31 18:42:46 -07:00
slab.h
slob.c
slub.c	mm: slub: optimise the SLUB fast path to avoid pfmemalloc checks	2012-07-31 18:42:45 -07:00
sparse-vmemmap.c
sparse.c	mm/sparse: optimize sparse_index_alloc	2012-07-31 18:42:49 -07:00
swap_state.c	mm: add support for a filesystem to activate swap files and use direct_IO for writing swap pages	2012-07-31 18:42:47 -07:00
swap.c	mm: add support for direct_IO to highmem pages	2012-07-31 18:42:47 -07:00
swapfile.c	mm: swapfile: clean up unuse_pte race handling	2012-07-31 18:42:48 -07:00
truncate.c
util.c
vmalloc.c
vmscan.c	memcg: further prevent OOM with too many dirty pages	2012-07-31 18:42:49 -07:00
vmstat.c	mm: account for the number of times direct reclaimers get throttled	2012-07-31 18:42:46 -07:00