From 776bee499d5ee14527b231b8cde3ecc186692711 Mon Sep 17 00:00:00 2001
From: Mineplay <tristanfranssen@strawhats.nl>
Date: Fri, 11 Apr 2025 16:16:46 -0500
Subject: [PATCH] perf(allocator): made allocation size align with page size of
 system

---
 Src/Hallocy/Allocator.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Src/Hallocy/Allocator.c b/Src/Hallocy/Allocator.c
index 17bbc6a..be9569d 100644
--- a/Src/Hallocy/Allocator.c
+++ b/Src/Hallocy/Allocator.c
@@ -29,12 +29,26 @@
 #include <sys/mman.h>
 #endif
 
+static size_t page_size = 0;
+
 void *hallocy_malloc(size_t size) {
+    if (page_size == 0) {
+        #if defined(_WIN32)
+        SYSTEM_INFO system_info;
+        GetSystemInfo(&system_info);
+
+        page_size = system_info.dwPageSize;
+        #elif defined(__linux__)
+        page_size = sysconf(_SC_PAGESIZE);
+        #endif
+    }
+
+    size_t aligned_size = page_size * ((size / page_size) + 1);
     void *memory_pointer = NULL;
     #if defined(_WIN32)
-    memory_pointer = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
+    memory_pointer = VirtualAlloc(NULL, aligned_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
     #elif defined(__linux__)
-    memory_pointer = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+    memory_pointer = mmap(NULL, aligned_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
     #endif
 
     return memory_pointer;