#include <stdlib.h>
#include <stdint.h>
#include <sys/mman.h>
+#include <babeltrace/common-internal.h>
/*
* This header implements a wrapper over mmap (mmap_align) that memory
{
struct mmap_align *mma;
off_t page_aligned_offset; /* mmap offset, aligned to floor */
+ size_t page_size;
+
+ page_size = bt_common_get_page_size();
mma = malloc(sizeof(*mma));
if (!mma)
return MAP_FAILED;
mma->length = length;
- page_aligned_offset = ALIGN_FLOOR(offset, PAGE_SIZE);
+ page_aligned_offset = ALIGN_FLOOR(offset, page_size);
/*
* Page aligned length needs to contain the requested range.
* E.g., for a small range that fits within a single page, we might
* require a 2 pages page_aligned_length if the range crosses a page
* boundary.
*/
- mma->page_aligned_length = ALIGN(length + offset - page_aligned_offset, PAGE_SIZE);
+ mma->page_aligned_length = ALIGN(length + offset - page_aligned_offset, page_size);
mma->page_aligned_addr = mmap(NULL, mma->page_aligned_length,
prot, flags, fd, page_aligned_offset);
if (mma->page_aligned_addr == (void *) -1UL) {