archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 23:04:50 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6953477: Increase portability and flexibility of building Hotspot

Browse source 
A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.

Reviewed-by: phh, never, coleenp, dholmes
This commit is contained in:
Bob Vandette 2010-08-03 08:13:38 -04:00
parent c45761e2a8
commit b95c7e9523
113 changed files with 1669 additions and 559 deletions
Download patch file Download diff file Expand all files Collapse all files

22
hotspot/src/share/vm/memory/allocation.cpp
View file

@ -166,32 +166,40 @@ class ChunkPool {
_medium_pool = new ChunkPool(Chunk::medium_size + Chunk::aligned_overhead_size());
_small_pool = new ChunkPool(Chunk::init_size + Chunk::aligned_overhead_size());
}
static void clean() {
enum { BlocksToKeep = 5 };
_small_pool->free_all_but(BlocksToKeep);
_medium_pool->free_all_but(BlocksToKeep);
_large_pool->free_all_but(BlocksToKeep);
}
};
ChunkPool* ChunkPool::_large_pool = NULL;
ChunkPool* ChunkPool::_medium_pool = NULL;
ChunkPool* ChunkPool::_small_pool = NULL;
void chunkpool_init() {
ChunkPool::initialize();
}
void
Chunk::clean_chunk_pool() {
ChunkPool::clean();
}
//--------------------------------------------------------------------------------------
// ChunkPoolCleaner implementation
//
class ChunkPoolCleaner : public PeriodicTask {
enum { CleaningInterval = 5000, // cleaning interval in ms
BlocksToKeep = 5 // # of extra blocks to keep
};
enum { CleaningInterval = 5000 }; // cleaning interval in ms
public:
ChunkPoolCleaner() : PeriodicTask(CleaningInterval) {}
void task() {
ChunkPool::small_pool()->free_all_but(BlocksToKeep);
ChunkPool::medium_pool()->free_all_but(BlocksToKeep);
ChunkPool::large_pool()->free_all_but(BlocksToKeep);
ChunkPool::clean();
}
};