fix(mm/heap): rename alloc_pages to alloc

src/mm/heap.zig

@@ -10,7 +10,7 @@ pub fn init() void {
     heap_arena.init("kernel heap", mi.impl.kernel_heap_base, b.tib(16), mm.page_size) catch @panic("failed to initialize kernel heap arena");
 }
 
-pub fn alloc_pages(size: usize) mm.Error!*anyopaque {
+pub fn alloc(size: usize) mm.Error!*anyopaque {
     const ipl = heap_lock.acquire();
     defer heap_lock.release(ipl);
 

src/mm/root.zig

@@ -9,6 +9,7 @@ pub const init = private.init.init;
 pub const vmem = private.vmem;
 pub const phys = private.phys;
 pub const zone = private.zone;
+pub const heap = private.heap;
 
 // 16 TB of maximum physical memory.
 // This should be fine on consumer hardware for at least a decade :^)

src/mm/zone.zig

@@ -577,7 +577,7 @@ pub const Zone = struct {
         }
 
         const capacity = (self.slab_size - self.color) / self.chunk_size;
-        const buf = try mi.heap.alloc_pages(self.slab_size);
+        const buf = try mi.heap.alloc(self.slab_size);
 
         var ret: *Slab = try slab_zone.create();
 
@@ -746,7 +746,7 @@ fn gpa_alloc(
         if (ptr_align.toByteUnits() > mm.page_size) return null;
 
         const pages = std.mem.alignForward(usize, len, mm.page_size);
-        const ptr = mi.heap.alloc_pages(pages) catch return null;
+        const ptr = mi.heap.alloc(pages) catch return null;
         return @ptrCast(ptr);
     }