Use the new mmap_anon_or_hugetlbfs_align() to allocate memory aligned as needed instead of doing it at the caller while allocating and mapping more than needed. Signed-off-by: Fuad Tabba <tabba@xxxxxxxxxx> --- arm/kvm.c | 10 +++++----- riscv/kvm.c | 10 +++++----- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/arm/kvm.c b/arm/kvm.c index c84983e..0e5bfad 100644 --- a/arm/kvm.c +++ b/arm/kvm.c @@ -37,17 +37,17 @@ void kvm__init_ram(struct kvm *kvm) * 2M trumps 64K, so let's go with that. */ kvm->ram_size = kvm->cfg.ram_size; - kvm->arch.ram_alloc_size = kvm->ram_size + SZ_2M; - kvm->arch.ram_alloc_start = mmap_anon_or_hugetlbfs(kvm, + kvm->arch.ram_alloc_size = kvm->ram_size; + kvm->arch.ram_alloc_start = mmap_anon_or_hugetlbfs_align(kvm, kvm->cfg.hugetlbfs_path, - kvm->arch.ram_alloc_size); + kvm->arch.ram_alloc_size, + SZ_2M); if (kvm->arch.ram_alloc_start == MAP_FAILED) die("Failed to map %lld bytes for guest memory (%d)", kvm->arch.ram_alloc_size, errno); - kvm->ram_start = (void *)ALIGN((unsigned long)kvm->arch.ram_alloc_start, - SZ_2M); + kvm->ram_start = kvm->arch.ram_alloc_start; madvise(kvm->arch.ram_alloc_start, kvm->arch.ram_alloc_size, MADV_MERGEABLE); diff --git a/riscv/kvm.c b/riscv/kvm.c index 4d6f5cb..e26b4f0 100644 --- a/riscv/kvm.c +++ b/riscv/kvm.c @@ -70,17 +70,17 @@ void kvm__arch_init(struct kvm *kvm) * 2M trumps 64K, so let's go with that. */ kvm->ram_size = min(kvm->cfg.ram_size, (u64)RISCV_MAX_MEMORY(kvm)); - kvm->arch.ram_alloc_size = kvm->ram_size + SZ_2M; - kvm->arch.ram_alloc_start = mmap_anon_or_hugetlbfs(kvm, + kvm->arch.ram_alloc_size = kvm->ram_size; + kvm->arch.ram_alloc_start = mmap_anon_or_hugetlbfs_align(kvm, kvm->cfg.hugetlbfs_path, - kvm->arch.ram_alloc_size); + kvm->arch.ram_alloc_size, + SZ_2M); if (kvm->arch.ram_alloc_start == MAP_FAILED) die("Failed to map %lld bytes for guest memory (%d)", kvm->arch.ram_alloc_size, errno); - kvm->ram_start = (void *)ALIGN((unsigned long)kvm->arch.ram_alloc_start, - SZ_2M); + kvm->ram_start = kvm->arch.ram_alloc_start; madvise(kvm->arch.ram_alloc_start, kvm->arch.ram_alloc_size, MADV_MERGEABLE); -- 2.38.1.431.g37b22c650d-goog