1 files changed, 0 insertions, 210 deletions
diff --git a/extra/jemalloc/src/chunk_mmap.c b/extra/jemalloc/src/chunk_mmap.c
deleted file mode 100644
index 8a42e75915f..00000000000
--- a/extra/jemalloc/src/chunk_mmap.c
+++ /dev/null
@@ -1,210 +0,0 @@
-#define	JEMALLOC_CHUNK_MMAP_C_
-#include "jemalloc/internal/jemalloc_internal.h"
-
-/******************************************************************************/
-/* Function prototypes for non-inline static functions. */
-
-static void	*pages_map(void *addr, size_t size);
-static void	pages_unmap(void *addr, size_t size);
-static void	*chunk_alloc_mmap_slow(size_t size, size_t alignment,
-    bool *zero);
-
-/******************************************************************************/
-
-static void *
-pages_map(void *addr, size_t size)
-{
-	void *ret;
-
-	assert(size != 0);
-
-#ifdef _WIN32
-	/*
-	 * If VirtualAlloc can't allocate at the given address when one is
-	 * given, it fails and returns NULL.
-	 */
-	ret = VirtualAlloc(addr, size, MEM_COMMIT | MEM_RESERVE,
-	    PAGE_READWRITE);
-#else
-	/*
-	 * 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(addr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON,
-	    -1, 0);
-	assert(ret != NULL);
-
-	if (ret == MAP_FAILED)
-		ret = NULL;
-	else if (addr != NULL && ret != addr) {
-		/*
-		 * We succeeded in mapping memory, but not in the right place.
-		 */
-		if (munmap(ret, size) == -1) {
-			char buf[BUFERROR_BUF];
-
-			buferror(buf, sizeof(buf));
-			malloc_printf("<jemalloc: Error in munmap(): %s\n",
-			    buf);
-			if (opt_abort)
-				abort();
-		}
-		ret = NULL;
-	}
-#endif
-	assert(ret == NULL || (addr == NULL && ret != addr)
-	    || (addr != NULL && ret == addr));
-	return (ret);
-}
-
-static void
-pages_unmap(void *addr, size_t size)
-{
-
-#ifdef _WIN32
-	if (VirtualFree(addr, 0, MEM_RELEASE) == 0)
-#else
-	if (munmap(addr, size) == -1)
-#endif
-	{
-		char buf[BUFERROR_BUF];
-
-		buferror(buf, sizeof(buf));
-		malloc_printf("<jemalloc>: Error in "
-#ifdef _WIN32
-		              "VirtualFree"
-#else
-		              "munmap"
-#endif
-		              "(): %s\n", buf);
-		if (opt_abort)
-			abort();
-	}
-}
-
-static void *
-pages_trim(void *addr, size_t alloc_size, size_t leadsize, size_t size)
-{
-	void *ret = (void *)((uintptr_t)addr + leadsize);
-
-	assert(alloc_size >= leadsize + size);
-#ifdef _WIN32
-	{
-		void *new_addr;
-
-		pages_unmap(addr, alloc_size);
-		new_addr = pages_map(ret, size);
-		if (new_addr == ret)
-			return (ret);
-		if (new_addr)
-			pages_unmap(new_addr, size);
-		return (NULL);
-	}
-#else
-	{
-		size_t trailsize = alloc_size - leadsize - size;
-
-		if (leadsize != 0)
-			pages_unmap(addr, leadsize);
-		if (trailsize != 0)
-			pages_unmap((void *)((uintptr_t)ret + size), trailsize);
-		return (ret);
-	}
-#endif
-}
-
-bool
-pages_purge(void *addr, size_t length)
-{
-	bool unzeroed;
-
-#ifdef _WIN32
-	VirtualAlloc(addr, length, MEM_RESET, PAGE_READWRITE);
-	unzeroed = true;
-#else
-#  ifdef JEMALLOC_PURGE_MADVISE_DONTNEED
-#    define JEMALLOC_MADV_PURGE MADV_DONTNEED
-#    define JEMALLOC_MADV_ZEROS true
-#  elif defined(JEMALLOC_PURGE_MADVISE_FREE)
-#    define JEMALLOC_MADV_PURGE MADV_FREE
-#    define JEMALLOC_MADV_ZEROS false
-#  else
-#    error "No method defined for purging unused dirty pages."
-#  endif
-	int err = madvise(addr, length, JEMALLOC_MADV_PURGE);
-	unzeroed = (JEMALLOC_MADV_ZEROS == false || err != 0);
-#  undef JEMALLOC_MADV_PURGE
-#  undef JEMALLOC_MADV_ZEROS
-#endif
-	return (unzeroed);
-}
-
-static void *
-chunk_alloc_mmap_slow(size_t size, size_t alignment, bool *zero)
-{
-	void *ret, *pages;
-	size_t alloc_size, leadsize;
-
-	alloc_size = size + alignment - PAGE;
-	/* Beware size_t wrap-around. */
-	if (alloc_size < size)
-		return (NULL);
-	do {
-		pages = pages_map(NULL, alloc_size);
-		if (pages == NULL)
-			return (NULL);
-		leadsize = ALIGNMENT_CEILING((uintptr_t)pages, alignment) -
-		    (uintptr_t)pages;
-		ret = pages_trim(pages, alloc_size, leadsize, size);
-	} while (ret == NULL);
-
-	assert(ret != NULL);
-	*zero = true;
-	return (ret);
-}
-
-void *
-chunk_alloc_mmap(size_t size, size_t alignment, bool *zero)
-{
-	void *ret;
-	size_t offset;
-
-	/*
-	 * Ideally, there would be a way to specify alignment to mmap() (like
-	 * NetBSD has), but in the absence of such a feature, we have to work
-	 * hard to efficiently create aligned mappings.  The reliable, but
-	 * slow method is to create a mapping that is over-sized, then trim the
-	 * excess.  However, that always results in one or two calls to
-	 * pages_unmap().
-	 *
-	 * Optimistically try mapping precisely the right amount before falling
-	 * back to the slow method, with the expectation that the optimistic
-	 * approach works most of the time.
-	 */
-
-	assert(alignment != 0);
-	assert((alignment & chunksize_mask) == 0);
-
-	ret = pages_map(NULL, size);
-	if (ret == NULL)
-		return (NULL);
-	offset = ALIGNMENT_ADDR2OFFSET(ret, alignment);
-	if (offset != 0) {
-		pages_unmap(ret, size);
-		return (chunk_alloc_mmap_slow(size, alignment, zero));
-	}
-
-	assert(ret != NULL);
-	*zero = true;
-	return (ret);
-}
-
-bool
-chunk_dealloc_mmap(void *chunk, size_t size)
-{
-
-	if (config_munmap)
-		pages_unmap(chunk, size);
-
-	return (config_munmap == false);
-}