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dm: Solve the problem of repeat mount hugetblfs

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If you run two acrn-dm processes at the same time,
hugetblfs will be mounted twice, which will cause a memory leak.
The specific solution is :different virtual machines mount hugetblfs
into different directories.

Tracked-On:#2854
Signed-off-by: bing.li <bingx.li@intel.com>
Reviewed-by: Minggui Cao<minggui.cao@intel.com>
Acked-by: Yin Fengwei<fengwei.yin@intel.com>
This commit is contained in:
bing.li
2019-06-04 17:20:26 +08:00
committed by ACRN System Integration
parent e5a25749e5
commit 509af78490
3 changed files with 71 additions and 48 deletions
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3
devicemodel/include/vmmapi.h
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@@ -108,7 +108,8 @@ int vm_map_memseg_vma(struct vmctx *ctx, size_t len, vm_paddr_t gpa,
uint64_t vma, int prot);
int vm_setup_memory(struct vmctx *ctx, size_t len);
void vm_unsetup_memory(struct vmctx *ctx);
bool check_hugetlb_support(void);
bool init_hugetlb(void);
void uninit_hugetlb(void);
int hugetlb_setup_memory(struct vmctx *ctx);
void hugetlb_unsetup_memory(struct vmctx *ctx);
void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len);