From: Richard Henderson <richard.hender...@linaro.org>
This can avoid stack allocation failures for i386 guest
on ppc64 (64k page) host.
Suggested-by: Laurent Vivier <laur...@vivier.eu>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Message-Id: <20190519201953.20161-14-richard.hender...@linaro.org>
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
linux-user/mmap.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 10796b37ac7b..af41339d576b 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -262,6 +262,8 @@ abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size,
abi_ulong align)
abi_ulong addr;
int wrapped, repeat;
+ align = MAX(align, qemu_host_page_size);
+
/* If 'start' == 0, then a default start address is used. */
if (start == 0) {
start = mmap_next_start;
--
2.20.1
