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linux-user: Align mmap_find_vma to host page size

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This can avoid stack allocation failures for i386 guest
on ppc64 (64k page) host.

Suggested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190519201953.20161-14-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2019-05-19 13:19:53 -07:00 committed by Laurent Vivier
parent 30ab9ef296
commit 443b7505c6
1 changed files with 2 additions and 0 deletions
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2
linux-user/mmap.c
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@ -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;