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Attempt mmap-based in-place huge reallocation.

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Attempt mmap-based in-place huge reallocation by plumbing new_addr into
chunk_alloc_mmap().  This can dramatically speed up incremental huge
reallocation.

This resolves #335.
This commit is contained in:
Jason Evans 2016-02-24 17:18:44 -08:00
parent 5ec703dd33
commit c7a9a6c86b
3 changed files with 12 additions and 13 deletions
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4
include/jemalloc/internal/chunk_mmap.h
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@ -9,8 +9,8 @@
/******************************************************************************/
#ifdef JEMALLOC_H_EXTERNS
void *chunk_alloc_mmap(size_t size, size_t alignment, bool *zero,
bool *commit);
void *chunk_alloc_mmap(void *new_addr, size_t size, size_t alignment,
bool *zero, bool *commit);
bool chunk_dalloc_mmap(void *chunk, size_t size);
#endif /* JEMALLOC_H_EXTERNS */