Anton Ivanov 1e480ee6c0 um: Avoid marking pages with "changed protection" ... [ Upstream commit 8892d8545f ] Changing protection is a very high cost operation in UML because in addition to an extra syscall it also interrupts mmap merge sequences generated by the tlb. While the condition is not particularly common it is worth avoiding. Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sasha Levin <sashal@kernel.org>		2019-02-12 19:47:17 +01:00
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configs	um: defconfig: Cleanup from old Kconfig options	2017-09-13 22:32:51 +02:00
drivers	Consolidation of Kconfig files by Christoph Hellwig.	2018-08-15 13:05:12 -07:00
include	um: Avoid marking pages with "changed protection"	2019-02-12 19:47:17 +01:00
kernel	mm: convert return type of handle_mm_fault() caller to vm_fault_t	2018-08-17 16:20:28 -07:00
os-Linux	um: Give start_idle_thread() a return code	2018-11-27 16:12:59 +01:00
scripts	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
.gitignore	um: tell git to ignore generated files	2010-03-06 11:26:28 -08:00
Kconfig	kconfig: include kernel/Kconfig.preempt from init/Kconfig	2018-08-02 08:06:54 +09:00
Kconfig.debug	Kconfig: consolidate the "Kernel hacking" menu	2018-08-02 08:06:48 +09:00
Makefile	kbuild: rename LDFLAGS to KBUILD_LDFLAGS	2018-08-24 08:22:08 +09:00
Makefile-os-Linux
Makefile-skas