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Retrieve page size by getpagesize() (#23561)

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Signed-off-by: yah01 <yang.cen@zilliz.com>
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yah01 2023-04-20 12:36:30 +08:00 committed by GitHub
parent 967a97b9bd
commit aa2985490c
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1 changed files with 3 additions and 2 deletions
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5
internal/core/src/common/Utils.h
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@ -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