kern: Add kernel realloc() function

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/sys/os/os_kalloc.c b/src/sys/os/os_kalloc.c
index 53e2e13..a5e48e5 100644
--- a/src/sys/os/os_kalloc.c
+++ b/src/sys/os/os_kalloc.c
@@ -64,6 +64,17 @@ kalloc(size_t sz)
     return tmp;
 }
 
+void *
+krealloc(void *old_ptr, size_t newsize)
+{
+    void *tmp;
+
+    spinlock_acquire(&lock);
+    tmp = tlsf_realloc(tlsf_ctx, old_ptr, newsize);
+    spinlock_release(&lock);
+    return tmp;
+}
+
 /*
  * Memory deallocation
  */