Give userspace 3GB of address space #22
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This patch is a one-liner from here: https://startux.de/wine-patch-to-use-3gb-userspace.html It is fairly old, but it allows userspace program to use up to 3GB of RAM instead of 2GB of RAM. As the blog post says, this differs from the Windows behavior, but apparently, Microsoft's own advice to developers is to give userspace programs access to 4GB of address space on 64-bit Windows: https://blogs.msdn.microsoft.com/oldnewthing/20050601-24/?p=35483 Changing the restriction to 3GB of address space should be okay. I suspect that upstream Wine won't like this change, but it should be fine for proton. It would probably help DXVK. Signed-off-by: Richard Yao <ryao@gentoo.org>
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@doitsujin Given that the main purpose of this is to help DXVK, would you give your opinion on this change? |
This was referenced Sep 24, 2018
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That line is #ifdef'd for i386 arch. The 64 bit wine loader does not have this limitation and still runs 32 bit applications. |
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@geneishouko That just made me realize that Steamplay probably requires 64-bit versions. This probably would help someone, but not those using Proton. Sorry for the noise. |
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No it doesn't ValveSoftware/Proton#1358 |
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This patch is a one-liner from here:
https://startux.de/wine-patch-to-use-3gb-userspace.html
It is fairly old, but it allows userspace program to use up to 3GB of
RAM instead of 2GB of RAM. As the blog post says, this differs from the
Windows behavior, but apparently, Microsoft's own advice to developers
is to give userspace programs access to 4GB of address space on 64-bit
Windows:
https://blogs.msdn.microsoft.com/oldnewthing/20050601-24/?p=35483
Changing the restriction to 3GB of address space should be okay. I
suspect that upstream Wine won't like this change, but it should be fine
for proton. It would probably help DXVK.
Signed-off-by: Richard Yao ryao@gentoo.org