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linux-user: init_guest_space: Add a comment about search strategy 

Signed-off-by: Luke Shumaker <lukeshu@parabola.nu>
Message-Id: <20171228180814.9749-10-lukeshu@lukeshu.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Luke Shumaker 2017-12-28 13:08:12 -05:00 committed by Laurent Vivier
parent aac362e46f
commit 8c17d862b3
1 changed files with 4 additions and 0 deletions
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4
linux-user/elfload.c
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@ -1910,6 +1910,10 @@ unsigned long init_guest_space(unsigned long host_start,
* happen often. Probably means we got unlucky and host
* address space randomization put a shared library somewhere
* inconvenient.
*
* This is probably a good strategy if host_start, but is
* probably a bad strategy if not, which means we got here
* because of trouble with ARM commpage setup.
*/
munmap((void *)real_start, real_size);
current_start += qemu_host_page_size;