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| author | Jan Hubicka <jh@suse.cz> | 2019-11-22 15:37:37 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2019-11-22 14:37:37 +0000 |
| commit | 9fd052e775623581d2d277a1688b9fde94cb18d2 (patch) | |
| tree | 7f4801c5d1bcb5f9fda27cdbfe254577322eeec0 /gcc/memory-block.h | |
| parent | f2f3dbc67b85af0f1b6c6feb529a67baf011939c (diff) | |
| download | gcc-9fd052e775623581d2d277a1688b9fde94cb18d2.zip gcc-9fd052e775623581d2d277a1688b9fde94cb18d2.tar.gz gcc-9fd052e775623581d2d277a1688b9fde94cb18d2.tar.bz2 | |
Release memory-block-pool memory back to malloc.
* ggc-page.c (ggc_collect): Call memory_block_pool::trim.
* memory-block.cc (memory_block_pool::clear_free_list): Rename to ...
(memory_block_pool::reduce_free_list): ... this one.
(memory_block_pool::trim): New static function.
* memory-block.h (memory_block_pool::freelist_size): New constant
(memory_block_pool::clear_free_list): Rename to ...
(memory_block_pool::reduce_free_list): ... this one.
(memory_block_pool::trim): Declare.
* lto.c (lto_wpa_write_files): Call memory_block_pool::trim.
From-SVN: r278616
Diffstat (limited to 'gcc/memory-block.h')
| -rw-r--r-- | gcc/memory-block.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/memory-block.h b/gcc/memory-block.h index 8ebeee0..a11465b 100644 --- a/gcc/memory-block.h +++ b/gcc/memory-block.h @@ -28,12 +28,15 @@ class memory_block_pool public: /* Blocks have fixed size. This is necessary for sharing. */ static const size_t block_size = 64 * 1024; + /* Number of blocks we keep in the freelists. */ + static const size_t freelist_size = 1024 * 1024 / block_size; memory_block_pool (); static inline void *allocate () ATTRIBUTE_MALLOC; static inline void release (void *); - void clear_free_list (); + static void trim (int nblocks = freelist_size); + void reduce_free_list (int); private: /* memory_block_pool singleton instance, defined in memory-block.cc. */ |