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reserve space again when it's unmapped

This commit is contained in:
Nadia Holmquist Pedersen 2023-07-24 17:50:38 +02:00
parent 7cd56c6d32
commit ad4cfb6e64
1 changed files with 7 additions and 1 deletions
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8
src/ARMJIT_Memory.cpp
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@ -72,6 +72,10 @@ using Platform::LogLevel;
*/
#if defined(__APPLE__) || defined(__FreeBSD__)
#define NEEDS_ANON_MAP
#endif
namespace ARMJIT_Memory
{
struct FaultDescription
@ -334,6 +338,8 @@ bool UnmapFromRange(u32 addr, u32 num, u32 offset, u32 size)
return R_SUCCEEDED(r);
#elif defined(_WIN32)
return UnmapViewOfFile(dst);
#elif defined(NEEDS_ANON_MAP)
return mmap(dst, size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0) == 0;
#else
return munmap(dst, size) == 0;
#endif
@ -751,7 +757,7 @@ void Init()
// but something was bad about this so instead we take this vmem eating monster
// which seems to work better.
MemoryBase = (u8*)mmap(NULL, AddrSpaceSize*4, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
#if !defined(__APPLE__) && !defined(__FreeBSD__)
#if defined(NEEDS_ANON_MAP)
munmap(MemoryBase, AddrSpaceSize*4);
#endif
FastMem9Start = MemoryBase;