KVM: selftests: add shmem backing source type

[linux-2.6-microblaze.git] / tools / testing / selftests / kvm / lib / test_util.c

diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c
index 63d2bc7..c7a265d 100644 (file)
--- a/tools/testing/selftests/kvm/lib/test_util.c
+++ b/tools/testing/selftests/kvm/lib/test_util.c
@@ -168,70 +168,77 @@ size_t get_def_hugetlb_pagesz(void)
 
 const struct vm_mem_backing_src_alias *vm_mem_backing_src_alias(uint32_t i)
 {
+       static const int anon_flags = MAP_PRIVATE | MAP_ANONYMOUS;
+       static const int anon_huge_flags = anon_flags | MAP_HUGETLB;
+
        static const struct vm_mem_backing_src_alias aliases[] = {
                [VM_MEM_SRC_ANONYMOUS] = {
                        .name = "anonymous",
-                       .flag = 0,
+                       .flag = anon_flags,
                },
                [VM_MEM_SRC_ANONYMOUS_THP] = {
                        .name = "anonymous_thp",
-                       .flag = 0,
+                       .flag = anon_flags,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB] = {
                        .name = "anonymous_hugetlb",
-                       .flag = MAP_HUGETLB,
+                       .flag = anon_huge_flags,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_16KB] = {
                        .name = "anonymous_hugetlb_16kb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_16KB,
+                       .flag = anon_huge_flags | MAP_HUGE_16KB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_64KB] = {
                        .name = "anonymous_hugetlb_64kb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_64KB,
+                       .flag = anon_huge_flags | MAP_HUGE_64KB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_512KB] = {
                        .name = "anonymous_hugetlb_512kb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_512KB,
+                       .flag = anon_huge_flags | MAP_HUGE_512KB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_1MB] = {
                        .name = "anonymous_hugetlb_1mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_1MB,
+                       .flag = anon_huge_flags | MAP_HUGE_1MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_2MB] = {
                        .name = "anonymous_hugetlb_2mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_2MB,
+                       .flag = anon_huge_flags | MAP_HUGE_2MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_8MB] = {
                        .name = "anonymous_hugetlb_8mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_8MB,
+                       .flag = anon_huge_flags | MAP_HUGE_8MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_16MB] = {
                        .name = "anonymous_hugetlb_16mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_16MB,
+                       .flag = anon_huge_flags | MAP_HUGE_16MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_32MB] = {
                        .name = "anonymous_hugetlb_32mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_32MB,
+                       .flag = anon_huge_flags | MAP_HUGE_32MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_256MB] = {
                        .name = "anonymous_hugetlb_256mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_256MB,
+                       .flag = anon_huge_flags | MAP_HUGE_256MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_512MB] = {
                        .name = "anonymous_hugetlb_512mb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_512MB,
+                       .flag = anon_huge_flags | MAP_HUGE_512MB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_1GB] = {
                        .name = "anonymous_hugetlb_1gb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_1GB,
+                       .flag = anon_huge_flags | MAP_HUGE_1GB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_2GB] = {
                        .name = "anonymous_hugetlb_2gb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_2GB,
+                       .flag = anon_huge_flags | MAP_HUGE_2GB,
                },
                [VM_MEM_SRC_ANONYMOUS_HUGETLB_16GB] = {
                        .name = "anonymous_hugetlb_16gb",
-                       .flag = MAP_HUGETLB | MAP_HUGE_16GB,
+                       .flag = anon_huge_flags | MAP_HUGE_16GB,
+               },
+               [VM_MEM_SRC_SHMEM] = {
+                       .name = "shmem",
+                       .flag = MAP_SHARED,
                },
        };
        _Static_assert(ARRAY_SIZE(aliases) == NUM_SRC_TYPES,
@@ -250,6 +257,7 @@ size_t get_backing_src_pagesz(uint32_t i)
 
        switch (i) {
        case VM_MEM_SRC_ANONYMOUS:
+       case VM_MEM_SRC_SHMEM:
                return getpagesize();
        case VM_MEM_SRC_ANONYMOUS_THP:
                return get_trans_hugepagesz();