From 443b7505c6b04c5b7ab9611ac3ffd115fbf60cbf Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 19 May 2019 13:19:53 -0700 Subject: linux-user: Align mmap_find_vma to host page size This can avoid stack allocation failures for i386 guest on ppc64 (64k page) host. Suggested-by: Laurent Vivier Signed-off-by: Richard Henderson Message-Id: <20190519201953.20161-14-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/mmap.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'linux-user/mmap.c') diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 10796b3..af41339 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; -- cgit v1.1