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Paul Jackson b2455396be [PATCH] cpuset: memory_spread_slab drop useless PF_SPREAD_PAGE check 
The hook in the slab cache allocation path to handle cpuset memory
spreading for tasks in cpusets with 'memory_spread_slab' enabled has a
modest performance bug.  The hook calls into the memory spreading handler
alternate_node_alloc() if either of 'memory_spread_slab' or
'memory_spread_page' is enabled, even though the handler does nothing
(albeit harmlessly) for the page case

Fix - drop PF_SPREAD_PAGE from the set of flag bits that are used to
trigger a call to alternate_node_alloc().

The page case is handled by separate hooks -- see the calls conditioned on
cpuset_do_page_mem_spread() in mm/filemap.c

Signed-off-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24 07:33:24 -08:00
..
bootmem.c [PATCH] FRV: Clean up bootmem allocator's page freeing algorithm 2006-01-06 08:33:26 -08:00
fadvise.c [PATCH] fadvise: return ESPIPE on FIFO/pipe 2006-01-08 20:14:00 -08:00
filemap.c [PATCH] cpuset memory spread page cache implementation and hooks 2006-03-24 07:33:22 -08:00
filemap.h
filemap_xip.c [PATCH] replace inode_update_time with file_update_time 2006-01-10 08:01:30 -08:00
fremap.c VM: add common helper function to create the page tables 2005-11-29 14:03:14 -08:00
highmem.c [PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23 2006-03-23 20:00:26 +01:00
hugetlb.c [PATCH] mm: hugetlb alloc_fresh_huge_page bogus node loop fix 2006-03-22 07:54:06 -08:00
internal.h [PATCH] remove set_page_count() outside mm/ 2006-03-22 07:54:02 -08:00
Kconfig [PATCH] page migration reorg 2006-03-22 07:54:06 -08:00
madvise.c [PATCH] madvise MADV_DONTFORK/MADV_DOFORK 2006-02-14 16:09:34 -08:00
Makefile [PATCH] page migration reorg 2006-03-22 07:54:06 -08:00
memory.c [PATCH] hugepage: Fix hugepage logic in free_pgtables() harder 2006-03-22 07:54:04 -08:00
memory_hotplug.c [PATCH] memory hotadd: pgdat->node_present_pages fix 2006-03-09 19:47:38 -08:00
mempolicy.c [PATCH] cpuset memory spread slab cache optimizations 2006-03-24 07:33:23 -08:00
mempool.c [PATCH] mm: kill kmem_cache_t usage 2006-03-22 07:53:58 -08:00
migrate.c [PATCH] page migration reorg 2006-03-22 07:54:06 -08:00
mincore.c
mlock.c [PATCH] move capable() to capability.h 2006-01-11 18:42:13 -08:00
mmap.c [PATCH] remove VM_DONTCOPY bogosities 2006-03-22 07:54:01 -08:00
mprotect.c [PATCH] Enable mprotect on huge pages 2006-03-22 07:54:03 -08:00
mremap.c [PATCH] move capable() to capability.h 2006-01-11 18:42:13 -08:00
msync.c [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem 2006-01-09 15:59:24 -08:00
nommu.c [PATCH] mm: nommu use compound pages 2006-03-22 07:54:01 -08:00
oom_kill.c [PATCH] out_of_memory() locking fix 2006-03-02 08:33:07 -08:00
page-writeback.c [PATCH] Represent laptop_mode as jiffies internally 2006-03-24 07:33:20 -08:00
page_alloc.c [PATCH] cpusets: only wakeup kswapd for zones in the current cpuset 2006-03-24 07:33:22 -08:00
page_io.c [PATCH] mm: split page table lock 2005-10-29 21:40:42 -07:00
pdflush.c [PATCH] Swap Migration V5: PF_SWAPWRITE to allow writing to swap 2006-01-08 20:12:41 -08:00
prio_tree.c
readahead.c [PATCH] ext3_readdir: use generic readahead 2006-03-23 07:38:09 -08:00
rmap.c [PATCH] mm: more CONFIG_DEBUG_VM 2006-03-22 07:54:02 -08:00
shmem.c [PATCH] shmem: inline to avoid warning 2006-03-22 07:54:02 -08:00
slab.c [PATCH] cpuset: memory_spread_slab drop useless PF_SPREAD_PAGE check 2006-03-24 07:33:24 -08:00
slob.c [PATCH] SLOB=y && SMP=y fix 2006-02-08 07:52:58 -08:00
sparse.c [PATCH] Change maxaligned_in_smp alignemnt macros to internodealigned_in_smp macros 2006-01-08 20:13:38 -08:00
swap.c [PATCH] mm: less atomic ops 2006-03-22 07:53:57 -08:00
swap_state.c [PATCH] page migration reorg 2006-03-22 07:54:06 -08:00
swapfile.c [PATCH] swsusp: userland interface 2006-03-23 07:38:07 -08:00
thrash.c [PATCH] temporarily disable swap token on memory pressure 2005-11-28 14:42:25 -08:00
tiny-shmem.c [PATCH] do_truncate() call fix in tiny-shmem.c 2006-01-12 09:08:49 -08:00
truncate.c [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem 2006-01-09 15:59:24 -08:00
util.c [PATCH] slob: introduce mm/util.c for shared functions 2006-01-08 20:13:41 -08:00
vmalloc.c [PATCH] kernel-doc: fix warnings in vmalloc.c 2005-11-07 07:53:56 -08:00
vmscan.c [PATCH] page migration reorg 2006-03-22 07:54:06 -08:00