From aa2985490c0c9d249b82958e6246faaa1477dffc Mon Sep 17 00:00:00 2001
From: yah01 <yang.cen@zilliz.com>
Date: Thu, 20 Apr 2023 12:36:30 +0800
Subject: [PATCH] Retrieve page size by getpagesize() (#23561)

Signed-off-by: yah01 <yang.cen@zilliz.com>
---
 internal/core/src/common/Utils.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/internal/core/src/common/Utils.h b/internal/core/src/common/Utils.h
index 6353af0d10..8f3ae1068d 100644
--- a/internal/core/src/common/Utils.h
+++ b/internal/core/src/common/Utils.h
@@ -15,6 +15,7 @@
 #include <fmt/core.h>
 #include <google/protobuf/text_format.h>
 #include <sys/mman.h>
+#include <unistd.h>
 
 #include <cstring>
 #include <filesystem>
@@ -420,10 +421,10 @@ CreateMap(int64_t segment_id,
 
 #ifndef MAP_POPULATE
     // Manually access the mapping to populate it
-    const size_t PAGE_SIZE = 4 << 10;  // 4KiB
+    const size_t page_size = getpagesize();
     char* begin = (char*)map;
     char* end = begin + written;
-    for (char* page = begin; page < end; page += PAGE_SIZE) {
+    for (char* page = begin; page < end; page += page_size) {
         char value = page[0];
     }
 #endif