kernel-hacking-2024-linux-s.../arch/s390
Martin Schwidefsky 238ec4efee [S390] zero page cache synonyms
If the zero page is mapped to virtual user space addresses that differ
only in bit 2^12 or 2^13 we get L1 cache synonyms which can affect
performance. Follow the mips model and use multiple zero pages to avoid
the synonyms.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-10-25 16:10:14 +02:00
..
appldata [S390] appldata: fix dev_get_stats 64 bit conversion 2010-08-13 10:06:55 +02:00
boot [S390] Add support for LZO-compressed kernels. 2010-05-26 23:27:10 +02:00
crypto llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
hypfs llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
include/asm [S390] zero page cache synonyms 2010-10-25 16:10:14 +02:00
kernel Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
kvm KVM: Remove memory alias support 2010-08-01 10:47:00 +03:00
lib [S390] uaccess: make sure copy_from_user_overflow is builtin 2010-03-08 12:25:29 +01:00
math-emu
mm [S390] zero page cache synonyms 2010-10-25 16:10:14 +02:00
oprofile
defconfig defconfig reduction 2010-08-14 22:26:53 +02:00
Kconfig Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-10-21 12:55:43 -07:00
Kconfig.debug [S390] uaccess: implement strict user copy checks 2010-02-26 22:37:29 +01:00
Makefile Merge commit 'v2.6.35' into kbuild/kbuild 2010-08-04 13:59:13 +02:00