Commit a14314bf authored by Yuchen Tang's avatar Yuchen Tang
Browse files

etmem: add ETMEM scan feature CONFIG to mm/Kconfig 

euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8T1MB?from=project-issue


CVE: NA

-------------------------------------------------

etmem scan is a critical part of the etmem feature.
A kernel module, etmem_scan.ko periodically scans the appointed vma
segments of the target process, perform page table walk accordingly,
check and clear the access bit of each page before finally report
scan results back to user space.

Signed-off-by: default avatarYuchen Tang <tangyuchen5@huawei.com>
parent 344521bd

mm/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -1374,6 +1374,17 @@ config DYNAMIC_POOL 
	  A per-memcg pagepool. The task in the memcg will prefer to alloc

	  pages from corresponding pool.



config ETMEM_SCAN

	tristate "module: etmem page scan for etmem support"

	depends on ETMEM

	help

	  etmem scan is a critical part of the etmem feature.

	  A kernel module, etmem_scan.ko periodically scans the appointed vma

	  segments of the target process, perform page table walk accordingly,

	  check and clear the access bit of each page before finally reporting

	  scan results back to user space.

	  etmem scan also supports virtual machine.



config ETMEM

	bool "Enable etmem feature"

	depends on MMU