From: Brett Gordon <beretta42@gmail.com>
Date: Sun, 29 Oct 2017 08:24:56 +0000 (-0400)
Subject: bank16k: report correct memory used
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=a88167a1b9a87fb98ba93d9ddad67e537dc2d018;p=FUZIX.git

bank16k: report correct memory used

pfptr goes down as memory is allocated. return it's compliement instead.
---

diff --git a/Kernel/bank16k.c b/Kernel/bank16k.c
index d75683a0..3da9730c 100644
--- a/Kernel/bank16k.c
+++ b/Kernel/bank16k.c
@@ -173,7 +173,7 @@ int pagemap_realloc(usize_t code, usize_t size, usize_t stack)
 
 usize_t pagemap_mem_used(void)
 {
-	return pfptr << 4;
+	return procmem - (pfptr << 4);
 }
 
 #ifdef SWAPDEV
diff --git a/Kernel/bank16k_low.c b/Kernel/bank16k_low.c
index 6995cb3d..6023f26d 100644
--- a/Kernel/bank16k_low.c
+++ b/Kernel/bank16k_low.c
@@ -155,7 +155,7 @@ int pagemap_realloc(uint16_t size)
 
 uint16_t pagemap_mem_used(void)
 {
-	return pfptr << 4;
+	return procmem - (pfptr << 4);
 }