Commit Graph

4 Commits

Author SHA1 Message Date
Yonghua Huang
71975d63fd DM: using 'strncpy' coding style cleanup
- check buffer boundaries to avoid buffer overflow

Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
2018-05-25 15:36:25 +08:00
Yonghua Huang
160df8433a DM: fix buffer overflow risk issues in hugetlb.c
Add buffer boundaries to avoid overflow

Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
2018-05-23 11:10:10 +08:00
Jason Chen CJ
25ef14edac hugetlb: add ept map memseg support
adding API vm_map_memseg_vma() which using ioctl IC_SET_MEMSEG call
into VHM for futher mem(ept) mapping, based on user vma information.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
2018-05-15 17:25:55 +08:00
Jason Chen CJ
4cad694be2 dm: add hugetlb memory management support
Type '-T' in DM cmdline to enable hugetlb memory allocation.
It enabled 2 level of huge page:
Level 1: size 2M, path: /run/hugepage/acrn/huge_lv1/guid
Level 2: size 1G, path: /run/hugepage/acrn/huge_lv2/guid

NOTE:
before running, please make sure system already have enough hugepages
reserved under:
/sys/kernel/mm/hugepages/hugepages-xxxxkB/nr_hugepages

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
2018-05-15 17:25:55 +08:00