summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--memory/mozjemalloc/jemalloc.c46
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);