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Diffstat (limited to 'deps/jemalloc/include/jemalloc/internal/pages.h')
-rw-r--r-- | deps/jemalloc/include/jemalloc/internal/pages.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/deps/jemalloc/include/jemalloc/internal/pages.h b/deps/jemalloc/include/jemalloc/internal/pages.h deleted file mode 100644 index 7dae633af..000000000 --- a/deps/jemalloc/include/jemalloc/internal/pages.h +++ /dev/null @@ -1,88 +0,0 @@ -#ifndef JEMALLOC_INTERNAL_PAGES_EXTERNS_H -#define JEMALLOC_INTERNAL_PAGES_EXTERNS_H - -/* Page size. LG_PAGE is determined by the configure script. */ -#ifdef PAGE_MASK -# undef PAGE_MASK -#endif -#define PAGE ((size_t)(1U << LG_PAGE)) -#define PAGE_MASK ((size_t)(PAGE - 1)) -/* Return the page base address for the page containing address a. */ -#define PAGE_ADDR2BASE(a) \ - ((void *)((uintptr_t)(a) & ~PAGE_MASK)) -/* Return the smallest pagesize multiple that is >= s. */ -#define PAGE_CEILING(s) \ - (((s) + PAGE_MASK) & ~PAGE_MASK) - -/* Huge page size. LG_HUGEPAGE is determined by the configure script. */ -#define HUGEPAGE ((size_t)(1U << LG_HUGEPAGE)) -#define HUGEPAGE_MASK ((size_t)(HUGEPAGE - 1)) -/* Return the huge page base address for the huge page containing address a. */ -#define HUGEPAGE_ADDR2BASE(a) \ - ((void *)((uintptr_t)(a) & ~HUGEPAGE_MASK)) -/* Return the smallest pagesize multiple that is >= s. */ -#define HUGEPAGE_CEILING(s) \ - (((s) + HUGEPAGE_MASK) & ~HUGEPAGE_MASK) - -/* PAGES_CAN_PURGE_LAZY is defined if lazy purging is supported. */ -#if defined(_WIN32) || defined(JEMALLOC_PURGE_MADVISE_FREE) -# define PAGES_CAN_PURGE_LAZY -#endif -/* - * PAGES_CAN_PURGE_FORCED is defined if forced purging is supported. - * - * The only supported way to hard-purge on Windows is to decommit and then - * re-commit, but doing so is racy, and if re-commit fails it's a pain to - * propagate the "poisoned" memory state. Since we typically decommit as the - * next step after purging on Windows anyway, there's no point in adding such - * complexity. - */ -#if !defined(_WIN32) && ((defined(JEMALLOC_PURGE_MADVISE_DONTNEED) && \ - defined(JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS)) || \ - defined(JEMALLOC_MAPS_COALESCE)) -# define PAGES_CAN_PURGE_FORCED -#endif - -static const bool pages_can_purge_lazy = -#ifdef PAGES_CAN_PURGE_LAZY - true -#else - false -#endif - ; -static const bool pages_can_purge_forced = -#ifdef PAGES_CAN_PURGE_FORCED - true -#else - false -#endif - ; - -typedef enum { - thp_mode_default = 0, /* Do not change hugepage settings. */ - thp_mode_always = 1, /* Always set MADV_HUGEPAGE. */ - thp_mode_never = 2, /* Always set MADV_NOHUGEPAGE. */ - - thp_mode_names_limit = 3, /* Used for option processing. */ - thp_mode_not_supported = 3 /* No THP support detected. */ -} thp_mode_t; - -#define THP_MODE_DEFAULT thp_mode_default -extern thp_mode_t opt_thp; -extern thp_mode_t init_system_thp_mode; /* Initial system wide state. */ -extern const char *thp_mode_names[]; - -void *pages_map(void *addr, size_t size, size_t alignment, bool *commit); -void pages_unmap(void *addr, size_t size); -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); -bool pages_dontdump(void *addr, size_t size); -bool pages_dodump(void *addr, size_t size); -bool pages_boot(void); -void pages_set_thp_state (void *ptr, size_t size); - -#endif /* JEMALLOC_INTERNAL_PAGES_EXTERNS_H */ |