This changes a mmap in MemArena so you don't need 786MB of memory free to actually allocate the 1GB memory space in Linux 32bit. I was also running in to this issue in my development. Kudos to plbl4ster to actually taking the time to research this. Closes issue 5625.

2012-09-23 10:08:13 -05:00 · 2012-09-23 10:08:13 -05:00 · b4ae200d0d
parent 1e174ad31a
commit b4ae200d0d
1 changed files with 1 additions and 2 deletions
--- a/Source/Core/Common/Src/MemArena.cpp
+++ b/Source/Core/Common/Src/MemArena.cpp
@ -118,8 +118,7 @@ u8* MemArena::Find4GBBase()
 	}
 	return base;
 #else
-	void* base = mmap(0, 0x31000000, PROT_READ | PROT_WRITE,
-		MAP_ANON | MAP_SHARED, -1, 0);
+	void* base = mmap(0, 0x31000000, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
 	if (base == MAP_FAILED) {
 		PanicAlert("Failed to map 1 GB of memory space: %s", strerror(errno));
 		return 0;