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[common/virtual_buffer] Fix Windows on Snapdragon 7C realizing virtual pages before they're needed (#4128)
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This should fix Windows devices with low RAM like 4GB, or anything lower than 8GB.

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4128
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
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lizzie 2026-06-25 00:11:36 +02:00 • committed by crueter
parent 599ab16288
commit 6bdb03d8ac
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GPG key ID: 425ACD2D4830EBC6
1 changed files with 6 additions and 2 deletions
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8
src/common/virtual_buffer.cpp
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@ -17,7 +17,11 @@ namespace Common {
void* AllocateMemoryPages(std::size_t size) noexcept {
#ifdef _WIN32
void* base = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE);
void* base = VirtualAlloc(nullptr, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
if (base == nullptr) {
// Probably failing to reserve is less likely than failing to commit
base = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE);
}
#else
void* base = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
if (base == MAP_FAILED)