From 365d3450058ba0a8d282d8155bfcc2057837ab95 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@gmail.com>
Date: Sun, 24 Mar 2019 23:38:17 -0400
Subject: [PATCH] Align allocations like the kernel does

---
 include/linux/slab.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/slab.h b/include/linux/slab.h
index c19f190b..d8832c6c 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -6,6 +6,7 @@
 #include <string.h>
 
 #include <linux/kernel.h>
+#include <linux/log2.h>
 #include <linux/page.h>
 #include <linux/shrinker.h>
 #include <linux/types.h>
@@ -19,7 +20,10 @@ static inline void *kmalloc(size_t size, gfp_t flags)
 
 	run_shrinkers();
 
-	p = malloc(size);
+	p = size
+	    ? aligned_alloc(min(rounddown_pow_of_two(size),
+				PAGE_SIZE), size)
+	    : malloc(0);
 	if (p && (flags & __GFP_ZERO))
 		memset(p, 0, size);