< prev index next >

src/hotspot/share/gc/g1/g1PageBasedVirtualSpace.hpp

Print this page
rev 56323 : imported patch 8220310.mut.0
rev 56324 : imported patch 8220310.mut.1_thomas
rev 56326 : [mq]: 8220310.mut.1-3_kim

*** 28,37 **** --- 28,38 ---- #include "memory/memRegion.hpp" #include "memory/virtualspace.hpp" #include "utilities/align.hpp" #include "utilities/bitMap.hpp" + class G1NUMA; class WorkGang; // Virtual space management helper for a virtual space with an OS page allocation // granularity. // (De-)Allocation requests are always OS page aligned by passing a page index
*** 72,81 **** --- 73,84 ---- bool _special; // Indicates whether the committed space should be executable. bool _executable; + G1NUMA* _numa; + // Helper function for committing memory. Commit the given memory range by using // _page_size pages as much as possible and the remainder with small sized pages. void commit_internal(size_t start_page, size_t end_page); // Commit num_pages pages of _page_size size starting from start. All argument // checking has been performed.
*** 107,132 **** // Returns true if the entire area is backed by committed memory. bool is_area_committed(size_t start_page, size_t size_in_pages) const; // Returns true if the entire area is not backed by committed memory. bool is_area_uncommitted(size_t start_page, size_t size_in_pages) const; ! void initialize_with_page_size(ReservedSpace rs, size_t used_size, size_t page_size); public: // Commit the given area of pages starting at start being size_in_pages large. // Returns true if the given area is zero filled upon completion. ! bool commit(size_t start_page, size_t size_in_pages); // Uncommit the given area of pages starting at start being size_in_pages large. ! void uncommit(size_t start_page, size_t size_in_pages); ! void pretouch(size_t start_page, size_t size_in_pages, WorkGang* pretouch_gang = NULL); // Initialize the given reserved space with the given base address and the size // actually used. // Prefer to commit in page_size chunks. ! G1PageBasedVirtualSpace(ReservedSpace rs, size_t used_size, size_t page_size); // Destruction ~G1PageBasedVirtualSpace(); // Amount of reserved memory. --- 110,135 ---- // Returns true if the entire area is backed by committed memory. bool is_area_committed(size_t start_page, size_t size_in_pages) const; // Returns true if the entire area is not backed by committed memory. bool is_area_uncommitted(size_t start_page, size_t size_in_pages) const; ! void initialize_with_page_size(ReservedSpace rs, size_t used_size, size_t page_size, MemoryType type); public: // Commit the given area of pages starting at start being size_in_pages large. // Returns true if the given area is zero filled upon completion. ! virtual bool commit(size_t start_page, size_t size_in_pages, uint node_index); // Uncommit the given area of pages starting at start being size_in_pages large. ! virtual void uncommit(size_t start_page, size_t size_in_pages); ! virtual void pretouch(size_t start_page, size_t size_in_pages, WorkGang* pretouch_gang = NULL); // Initialize the given reserved space with the given base address and the size // actually used. // Prefer to commit in page_size chunks. ! G1PageBasedVirtualSpace(ReservedSpace rs, size_t used_size, size_t page_size, MemoryType type); // Destruction ~G1PageBasedVirtualSpace(); // Amount of reserved memory.
< prev index next >