AcoSail/kernel_optimize_test
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7c8ee9a863
kernel_optimize_test/include
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Nick Piggin 7c8ee9a863 [PATCH] mm: simplify vmscan vs release refcounting 
The VM has an interesting race where a page refcount can drop to zero, but it
is still on the LRU lists for a short time.  This was solved by testing a 0->1
refcount transition when picking up pages from the LRU, and dropping the
refcount in that case.

Instead, use atomic_add_unless to ensure we never pick up a 0 refcount page
from the LRU, thus a 0 refcount page will never have its refcount elevated
until it is allocated again.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22 07:53:57 -08:00
..
acpi [ACPI] ACPICA 20060127 2006-01-31 03:25:09 -05:00
asm-alpha [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-arm [ARM] Fix cosmetic typo in asm/irq.h 2006-03-20 10:12:31 +00:00
asm-arm26 [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-cris [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-frv [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-generic [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() 2006-03-20 13:42:58 -08:00
asm-h8300 [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-i386 [PATCH] don't call check_acpi_pci() on x86 with ACPI disabled 2006-03-22 07:53:54 -08:00
asm-ia64 Pull sn2-reduce-kmalloc-wrap into release branch 2006-03-21 08:22:56 -08:00
asm-m32r [PATCH] m32r: fix and update for gcc-4.0 2006-02-24 14:31:36 -08:00
asm-m68k [PATCH] m68k: fix cmpxchg compile errors if CONFIG_RMW_INSNS=n 2006-03-09 19:47:38 -08:00
asm-m68knommu [PATCH] m68knommu: hardirq.h needs definition of NR_IRQS 2006-02-07 16:16:54 -08:00
asm-mips Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6 2006-03-21 09:25:47 -08:00
asm-parisc [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-powerpc [PATCH] powerpc: properly configure DDR/P5IOC children devs 2006-03-16 16:55:07 +11:00
asm-ppc [PATCH] powerpc: remove duplicate exports 2006-02-20 10:44:31 +11:00
asm-s390 [PATCH] mm: remove set_pgdir leftovers 2006-03-22 07:53:56 -08:00
asm-sh [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-sh64 [PATCH] mm: remove set_pgdir leftovers 2006-03-22 07:53:56 -08:00
asm-sparc [SPARC]: Fixup SO_PEERSEC value on 32-bit sparc. 2006-03-20 22:53:42 -08:00
asm-sparc64 [SPARC64]: Fix 2 bugs in huge page support. 2006-03-20 01:17:17 -08:00
asm-um [PATCH] uml: avoid "CONFIG_NR_CPUS undeclared" bogus error messages 2006-02-01 08:53:23 -08:00
asm-v850 [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
asm-x86_64 Revert "[PATCH] x86_64: Only do the clustered systems have unsynchronized TSC assumption on IBM systems" 2006-02-27 20:41:56 -08:00
asm-xtensa [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
keys
linux [PATCH] mm: simplify vmscan vs release refcounting 2006-03-22 07:53:57 -08:00
math-emu
media V4L/DVB (3513): Remove saa711x driver 2006-03-21 08:53:40 -08:00
mtd
net [LLC]: llc_mac_hdr_init const arguments 2006-03-20 22:59:36 -08:00
pcmcia [PATCH] pcmcia: Add macro to match PCMCIA cards by numeric ID and first vendor string 2006-03-01 11:11:26 +01:00
rdma IB/umad: Add support for large RMPP transfers 2006-03-20 10:08:23 -08:00
rxrpc
scsi Merge branch 'master' 2006-02-20 02:16:23 -05:00
sound
video [PATCH] neofb: avoid resetting display config on unblank (v2) 2006-02-15 15:32:21 -08:00