Merge branch 'ggerganov:master' into master

1 files changed, 3 insertions, 3 deletions

diff --git a/llama-util.h b/llama-util.h
index 042ebe4..43b6f05 100644
--- a/llama-util.h
+++ b/llama-util.h
@@ -175,13 +175,13 @@ struct llama_mmap {
     llama_mmap(struct llama_file * file, size_t prefetch = (size_t) -1 /* -1 = max value */, bool numa = false) {
         size = file->size;
         int fd = fileno(file->fp);
-        int flags = MAP_SHARED;
+        int flags = MAP_PRIVATE;
         // prefetch/readahead impairs performance on NUMA systems
         if (numa) { prefetch = 0; }
 #ifdef __linux__
         if (prefetch) { flags |= MAP_POPULATE; }
 #endif
-        addr = mmap(NULL, file->size, PROT_READ, flags, fd, 0);
+        addr = mmap(NULL, file->size, PROT_READ | PROT_WRITE, flags, fd, 0);
         if (addr == MAP_FAILED) {
             throw std::runtime_error(format("mmap failed: %s", strerror(errno)));
         }
@@ -223,7 +223,7 @@ struct llama_mmap {
             throw std::runtime_error(format("CreateFileMappingA failed: %s", llama_format_win_err(error).c_str()));
         }
 
-        addr = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
+        addr = MapViewOfFile(hMapping, FILE_MAP_COPY, 0, 0, 0);
         error = GetLastError();
         CloseHandle(hMapping);