4 files changed, 21 insertions, 3 deletions
diff --git a/src/alloc/alloc_mmap/mmap_mem.h b/src/alloc/alloc_mmap/mmap_mem.h
index be1d06cff..521d85ea9 100644
--- a/src/alloc/alloc_mmap/mmap_mem.h
+++ b/src/alloc/alloc_mmap/mmap_mem.h
@@ -21,7 +21,10 @@ namespace Botan {
 class MemoryMapping_Allocator : public Pooling_Allocator
    {
    public:
-      MemoryMapping_Allocator(Mutex* m) : Pooling_Allocator(m) {}
+      /**
+      * @param mutex used for internal locking
+      */
+      MemoryMapping_Allocator(Mutex* mutex) : Pooling_Allocator(mutex) {}
       std::string type() const { return "mmap"; }
    private:
       void* alloc_block(u32bit);
diff --git a/src/alloc/mem_pool/mem_pool.h b/src/alloc/mem_pool/mem_pool.h
index 69555544e..a67e641e2 100644
--- a/src/alloc/mem_pool/mem_pool.h
+++ b/src/alloc/mem_pool/mem_pool.h
@@ -27,7 +27,10 @@ class Pooling_Allocator : public Allocator
 
       void destroy();
 
-      Pooling_Allocator(Mutex*);
+      /**
+      * @param mutex used for internal locking
+      */
+      Pooling_Allocator(Mutex* mutex);
       ~Pooling_Allocator();
    private:
       void get_more_core(u32bit);
diff --git a/src/alloc/secmem.h b/src/alloc/secmem.h
index 39b5549a9..bc5a2499d 100644
--- a/src/alloc/secmem.h
+++ b/src/alloc/secmem.h
@@ -195,6 +195,11 @@ class MemoryRegion
       ~MemoryRegion() { deallocate(buf, allocated); }
    protected:
       MemoryRegion() { buf = 0; alloc = 0; used = allocated = 0; }
+
+      /**
+      * Copy constructor
+      * @param other the other region to copy
+      */
       MemoryRegion(const MemoryRegion<T>& other)
          {
          buf = 0;
@@ -203,6 +208,10 @@ class MemoryRegion
          set(other.buf, other.used);
          }
 
+      /**
+      * @param locking should we use a locking allocator
+      * @param length the initial length to use
+      */
       void init(bool locking, u32bit length = 0)
          { alloc = Allocator::get(locking); resize(length); }
    private:
diff --git a/src/alloc/system_alloc/defalloc.h b/src/alloc/system_alloc/defalloc.h
index 27ee3cd8f..dcf552b8b 100644
--- a/src/alloc/system_alloc/defalloc.h
+++ b/src/alloc/system_alloc/defalloc.h
@@ -30,7 +30,10 @@ class Malloc_Allocator : public Allocator
 class Locking_Allocator : public Pooling_Allocator
    {
    public:
-      Locking_Allocator(Mutex* m) : Pooling_Allocator(m) {}
+      /**
+      * @param mutex used for internal locking
+      */
+      Locking_Allocator(Mutex* mutex) : Pooling_Allocator(mutex) {}
 
       std::string type() const { return "locking"; }
    private: