kernel: mem: kmalloc should not call page allocation

Strip the code calling for the memory manager to allocate pages to
kmalloc. The function should just return a raw pointer while a page
fault will allocate the required memory.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 5 insertions, 13 deletions

diff --git a/kernel/mem.c b/kernel/mem.c
index e2f1889..e977f6a 100644
--- a/kernel/mem.c
+++ b/kernel/mem.c
@@ -1,22 +1,14 @@
 #include <kernel/mem.h>
-#include <kernel/alloc.h>
 #include <kernel/paging.h>
 
-extern uint32_t _kernel_end;
-static uint32_t *heap_start = &_kernel_end;
-static uint32_t *heap_end = &_kernel_end;
-
-int _alloc_new_page(void) {
-        uint32_t paddr = pfa_alloc_frame();
-        if (paddr == 0xFFFFFFFF)
-                return -1;
-        map_page(paddr, heap_end, 0x003);
-}
+extern uintptr_t _kernel_end;
+static uintptr_t heap_start = (uintptr_t)&_kernel_end;
+static uintptr_t heap_end = (uintptr_t)&_kernel_end;
 
 void* kmalloc(size_t sz) {
-        void *ret = heap_end;
+        void *tmp = heap_end;
         heap_end += sz;
-        return ret;
+        return tmp;
 }
 
 void kfree(void *ptr) {