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Support --with-lg-page values larger than system page size.

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All mappings continue to be PAGE-aligned, even if the system page size
is smaller.  This change is primarily intended to provide a mechanism
for supporting multiple page sizes with the same binary; smaller page
sizes work better in conjunction with jemalloc's design.

This resolves #467.
This commit is contained in:
Jason Evans 2017-04-16 16:23:32 -07:00
parent 45f087eb03
commit da4cff0279
8 changed files with 155 additions and 111 deletions
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6
include/jemalloc/internal/pages_externs.h
View file

@ -16,16 +16,14 @@ static const bool pages_can_purge_forced =
#endif
;
void *pages_map(void *addr, size_t size, bool *commit);
void *pages_map(void *addr, size_t size, size_t alignment, bool *commit);
void pages_unmap(void *addr, size_t size);
void *pages_trim(void *addr, size_t alloc_size, size_t leadsize,
size_t size, bool *commit);
bool pages_commit(void *addr, size_t size);
bool pages_decommit(void *addr, size_t size);
bool pages_purge_lazy(void *addr, size_t size);
bool pages_purge_forced(void *addr, size_t size);
bool pages_huge(void *addr, size_t size);
bool pages_nohuge(void *addr, size_t size);
void pages_boot(void);
bool pages_boot(void);
#endif /* JEMALLOC_INTERNAL_PAGES_EXTERNS_H */

1
include/jemalloc/internal/private_symbols.txt
View file

@ -360,7 +360,6 @@ pages_map
pages_nohuge
pages_purge_forced
pages_purge_lazy
pages_trim
pages_unmap
percpu_arena_choose
percpu_arena_ind_limit