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2a97468024
linux/mm
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Linus Torvalds 44048d700b Revert "Bias the placement of kernel pages at lower PFNs" 
This reverts commit 5adc5be7cd.

Alexey Dobriyan reports that it causes huge slowdowns under some loads,
in his case a "mkfs.ext2" on a 30G partition.  With the placement bias,
the mkfs took over four minutes, with it reverted it's back to about ten
seconds for Alexey.

Reported-and-tested-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-12 14:14:44 -08:00
..
allocpercpu.c
backing-dev.c mm: per device dirty threshold 2007-10-17 08:42:45 -07:00
bootmem.c
bounce.c
fadvise.c
filemap_xip.c mm: write iovec cleanup 2007-10-16 09:42:54 -07:00
filemap.c Remove broken ptrace() special-case code from file mapping 2007-10-31 09:19:46 -07:00
fremap.c remap_file_pages: kernel-doc corrections 2007-10-17 08:43:07 -07:00
highmem.c
hugetlb.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
internal.h Breakout page_order() to internal.h to avoid special knowledge of the buddy allocator 2007-10-16 09:43:01 -07:00
Kconfig small documentation fixes 2007-10-20 02:46:58 +02:00
madvise.c
Makefile memory unplug: page isolation 2007-10-16 09:43:02 -07:00
memory_hotplug.c memory hotplug: rearrange memory hotplug notifier 2007-10-22 08:13:17 -07:00
memory.c unexport access_process_vm 2007-11-05 21:53:39 +11:00
mempolicy.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
mempool.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
migrate.c Typo fixes retrun -> return 2007-10-20 02:13:26 +02:00
mincore.c
mlock.c
mmap.c fix mprotect vma_wants_writenotify prot 2007-10-23 08:32:06 -07:00
mmzone.c
mprotect.c fix mprotect vma_wants_writenotify prot 2007-10-23 08:32:06 -07:00
mremap.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
msync.c
nommu.c NOMMU: mm/nommu.c needs linux/module.h 2007-10-29 07:53:26 -07:00
oom_kill.c oom_kill bug 2007-10-20 15:04:06 -07:00
page_alloc.c Revert "Bias the placement of kernel pages at lower PFNs" 2007-11-12 14:14:44 -08:00
page_io.c
page_isolation.c memory unplug: page isolation 2007-10-16 09:43:02 -07:00
page-writeback.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
pdflush.c
prio_tree.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
quicklist.c
readahead.c mm: bdi init hooks 2007-10-17 08:42:45 -07:00
rmap.c mm: document tree_lock->zone.lock lockorder 2007-10-17 08:42:46 -07:00
shmem_acl.c
shmem.c fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE 2007-10-30 08:06:55 -07:00
slab.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
slob.c Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
slub.c SLUB: killed the unused "end" variable 2007-11-12 10:32:29 -08:00
sparse-vmemmap.c mm/sparse-vmemmap.c: make sure init_mm is included 2007-10-30 08:06:55 -07:00
sparse.c Revert "x86_64: allocate sparsemem memmap above 4G" 2007-10-29 14:05:37 -07:00
swap_state.c
swap.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
swapfile.c
thrash.c
tiny-shmem.c r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
truncate.c Drop some headers from mm.h 2007-10-17 08:42:55 -07:00
util.c
vmalloc.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
vmscan.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
vmstat.c oom: change all_unreclaimable zone member to flags 2007-10-17 08:42:45 -07:00