int
ssvm_server_init_memfd (ssvm_private_t * memfd)
{
- int log2_page_size, n_pages;
- uword page_size;
+ uword page_size, n_pages;
ssvm_shared_header_t *sh;
+ int log2_page_size;
void *oldheap;
if (memfd->ssvm_size == 0)
sh->ssvm_va = pointer_to_uword (sh);
sh->type = SSVM_SEGMENT_MEMFD;
- page_size = 1 << log2_page_size;
+ page_size = 1ULL << log2_page_size;
sh->heap = clib_mem_create_heap (((u8 *) sh) + page_size,
memfd->ssvm_size - page_size,
1 /* locked */ , "ssvm server memfd");
return SSVM_API_ERROR_MMAP;
}
- if (memfd->requested_va)
- mmap_flags |= MAP_FIXED;
-
/*
* Map the segment once, to look at the shared header
*/
memfd->ssvm_size = sh->ssvm_size;
munmap (sh, page_size);
+ if (memfd->requested_va)
+ mmap_flags |= MAP_FIXED;
+
/*
* Remap the segment at the 'right' address
*/
return SSVM_API_ERROR_CREATE_FAILURE;
}
- page_size = 1 << log2_page_size;
+ page_size = 1ULL << log2_page_size;
rnd_size = clib_max (ssvm->ssvm_size + (page_size - 1), ssvm->ssvm_size);
rnd_size &= ~(page_size - 1);
clib_memset (sh, 0, sizeof (*sh));
sh->heap = heap;
sh->ssvm_size = rnd_size;
- sh->ssvm_va = pointer_to_uword (heap);
+ sh->ssvm_va = pointer_to_uword (sh);
sh->type = SSVM_SEGMENT_PRIVATE;
oldheap = ssvm_push_heap (sh);