From 02b79d19342502ccf8cc6b9f73f9314a7ca0a2d9 Mon Sep 17 00:00:00 2001
From: sBubshait <s.bobshit@gmail.com>
Date: Wed, 4 Dec 2024 18:13:07 +0000
Subject: [PATCH] Update mmap to add temporarily page_set_swap until swap is
 implemented

---
 src/vm/mmap.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/vm/mmap.c b/src/vm/mmap.c
index 528c597..864cfcd 100644
--- a/src/vm/mmap.c
+++ b/src/vm/mmap.c
@@ -87,3 +87,21 @@ mmap_cleanup (struct hash_elem *e, void *aux UNUSED)
   file_close (mmap->file);
   free (mmap);
 }
+
+/* Updates the 'owner' thread's page table entry for virtual address 'upage'
+   to have a present bit of 0 and stores the specified swap slot value in the
+   entry for later retrieval from disk. */
+void
+page_set_swap (struct thread *owner, void *upage, size_t swap_slot)
+{
+
+}
+
+/* Given that the page with user address 'upage' owned by 'owner' is flagged
+   to be in the swap disk via the owner's page table, returns its stored
+   swap slot. Otherwise panics the kernel. */
+size_t
+page_get_swap (struct thread *owner, void *upage)
+{
+  return 0;
+}