[Bug 59603] New: MapViewOfFile3 with MEM_REPLACE_PLACEHOLDER uses Committed_AS which it shouldn't

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59603

            Bug ID: 59603
           Summary: MapViewOfFile3 with MEM_REPLACE_PLACEHOLDER uses
                    Committed_AS which it shouldn't
           Product: Wine
           Version: 11.3
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

MapViewOfFile3 with MEM_REPLACE_PLACEHOLDER is a reservation on windows and
does not go towards committed memory. On wine (without vm.overcommit_memory=1)
it fails if you try to do this on a range that is larger than what is available
in commit space.

So solution should be somewhere to use mmap MAP_NORESERVE for the
MEM_REPLACE_PLACEHOLDER placeholder path.

Without this, UnrealEngine's build system crashes unless user force
vm.overcommit_memory=1

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