diff options
Diffstat (limited to 'memory/mozjemalloc/jemalloc.c')
| -rw-r--r-- | memory/mozjemalloc/jemalloc.c | 46 |
1 files changed, 4 insertions, 42 deletions
diff --git a/memory/mozjemalloc/jemalloc.c b/memory/mozjemalloc/jemalloc.c index 47a5a9f5c2..86864e1cd0 100644 --- a/memory/mozjemalloc/jemalloc.c +++ b/memory/mozjemalloc/jemalloc.c @@ -357,10 +357,6 @@ void *_mmap(void *addr, size_t length, int prot, int flags, #endif #endif -#if defined(MOZ_MEMORY_SOLARIS) && defined(MAP_ALIGN) && !defined(JEMALLOC_NEVER_USES_MAP_ALIGN) -#define JEMALLOC_USES_MAP_ALIGN /* Required on Solaris 10. Might improve performance elsewhere. */ -#endif - #ifndef __DECONST #define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var)) #endif @@ -1940,33 +1936,12 @@ pages_unmap(void *addr, size_t size) } } #else -#ifdef JEMALLOC_USES_MAP_ALIGN -static void * -pages_map_align(size_t size, size_t alignment) -{ - void *ret; - - /* - * We don't use MAP_FIXED here, because it can cause the *replacement* - * of existing mappings, and we only want to create new mappings. - */ - ret = mmap((void *)alignment, size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_NOSYNC | MAP_ALIGN | MAP_ANON, -1, 0); - assert(ret != NULL); - - if (ret == MAP_FAILED) - ret = NULL; - else - MozTagAnonymousMemory(ret, size, "jemalloc"); - return (ret); -} -#endif static void * pages_map(void *addr, size_t size) { void *ret; -#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__)) +#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__)) || (defined(__sun) && defined(__x86_64__)) /* * The JS engine assumes that all allocated pointers have their high 17 bits clear, * which ia64's mmap doesn't support directly. However, we can emulate it by passing @@ -1987,7 +1962,7 @@ pages_map(void *addr, size_t size) } #endif -#if defined(__sparc__) && defined(__arch64__) && defined(__linux__) +#if defined(__sparc__) && defined(__arch64__) && defined(__linux__) || (defined(__sun) && defined(__x86_64__)) const uintptr_t start = 0x0000070000000000ULL; const uintptr_t end = 0x0000800000000000ULL; @@ -2021,7 +1996,7 @@ pages_map(void *addr, size_t size) if (ret == MAP_FAILED) { ret = NULL; } -#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__)) +#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__)) || (defined(__sun) && defined(__x86_64__)) /* * If the allocated memory doesn't have its upper 17 bits clear, consider it * as out of memory. @@ -2054,7 +2029,7 @@ pages_map(void *addr, size_t size) MozTagAnonymousMemory(ret, size, "jemalloc"); } -#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__)) +#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__)) || (defined(__sun) && defined(__x86_64__)) assert(ret == NULL || (!check_placement && ret != NULL) || (check_placement && ret == addr)); #else @@ -2305,9 +2280,6 @@ chunk_alloc_mmap_slow(size_t size, size_t alignment) static void * chunk_alloc_mmap(size_t size, size_t alignment) { -#ifdef JEMALLOC_USES_MAP_ALIGN - return pages_map_align(size, alignment); -#else void *ret; size_t offset; @@ -2335,7 +2307,6 @@ chunk_alloc_mmap(size_t size, size_t alignment) assert(ret != NULL); return (ret); -#endif } bool @@ -5341,15 +5312,6 @@ MALLOC_OUT: recycled_size = 0; -#ifdef JEMALLOC_USES_MAP_ALIGN - /* - * When using MAP_ALIGN, the alignment parameter must be a power of two - * multiple of the system pagesize, or mmap will fail. - */ - assert((chunksize % pagesize) == 0); - assert((1 << (ffs(chunksize / pagesize) - 1)) == (chunksize/pagesize)); -#endif - /* Various sanity checks that regard configuration. */ assert(quantum >= sizeof(void *)); assert(quantum <= pagesize); |