diff options
Diffstat (limited to 'include/qemu/osdep.h')
| -rw-r--r-- | include/qemu/osdep.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 9a405bed89..c9692cc314 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -547,6 +547,14 @@ int madvise(char *, size_t, int); # define QEMU_VMALLOC_ALIGN (256 * 4096) #elif defined(__linux__) && defined(__sparc__) # define QEMU_VMALLOC_ALIGN MAX(qemu_real_host_page_size(), SHMLBA) +#elif defined(__linux__) && defined(__loongarch__) + /* + * For transparent hugepage optimization, it has better be huge page + * aligned. LoongArch host system supports two kinds of pagesize: 4K + * and 16K, here calculate huge page size from host page size + */ +# define QEMU_VMALLOC_ALIGN (qemu_real_host_page_size() * \ + qemu_real_host_page_size() / sizeof(long)) #else # define QEMU_VMALLOC_ALIGN qemu_real_host_page_size() #endif |