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authorXuemei Liu <liu.xuemei1@zte.com.cn>2025-09-24 13:18:03 +0800
committerAlistair Francis <alistair.francis@wdc.com>2025-10-03 13:15:14 +1000
commitec139c3dd00599e3e71b28c30b8207f6f15207c7 (patch)
tree78dd6ccd5dda17ace7793139ec4852f42b4d90ec
parentcebaf7434b4af059caca053ee1ec7ed8df91c2a7 (diff)
downloadfocaccia-qemu-ec139c3dd00599e3e71b28c30b8207f6f15207c7.tar.gz
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qemu/osdep: align memory allocations to 2M on RISC-V
Similar to other architectures (e.g., x86_64, aarch64), utilizing THP on RISC-V
KVM requires 2MiB-aligned memory blocks.

Signed-off-by: Xuemei Liu <liu.xuemei1@zte.com.cn>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20250924131803656Yqt9ZJKfevWkInaGppFdE@zte.com.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
-rw-r--r--include/qemu/osdep.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 1b38cb7e45..6de6c0c4e5 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -561,7 +561,7 @@ int madvise(char *, size_t, int);
 
 #if defined(__linux__) && \
     (defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) \
-     || defined(__powerpc64__))
+     || defined(__powerpc64__) || defined(__riscv))
    /* Use 2 MiB alignment so transparent hugepages can be used by KVM.
       Valgrind does not support alignments larger than 1 MiB,
       therefore we need special code which handles running on Valgrind. */