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-rw-r--r--src/vppinfra/linux/mem.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/src/vppinfra/linux/mem.c b/src/vppinfra/linux/mem.c
index 8b2fd14d210..06e18cd400d 100644
--- a/src/vppinfra/linux/mem.c
+++ b/src/vppinfra/linux/mem.c
@@ -196,163 +196,6 @@ clib_mem_vm_randomize_va (uword * requested_va,
(clib_cpu_time_now () & bit_mask) * (1ull << log2_page_size);
}
-clib_error_t *
-clib_mem_vm_ext_alloc (clib_mem_vm_alloc_t * a)
-{
- clib_mem_main_t *mm = &clib_mem_main;
- int fd = -1;
- clib_error_t *err = 0;
- void *addr = 0;
- u8 *filename = 0;
- int mmap_flags = 0;
- int log2_page_size;
- int n_pages;
- int old_mpol = -1;
- long unsigned int old_mask[16] = { 0 };
-
- /* save old numa mem policy if needed */
- if (a->flags & (CLIB_MEM_VM_F_NUMA_PREFER | CLIB_MEM_VM_F_NUMA_FORCE))
- {
- int rv;
- rv = get_mempolicy (&old_mpol, old_mask, sizeof (old_mask) * 8 + 1,
- 0, 0);
-
- if (rv == -1)
- {
- if (a->numa_node != 0 && (a->flags & CLIB_MEM_VM_F_NUMA_FORCE) != 0)
- {
- err = clib_error_return_unix (0, "get_mempolicy");
- goto error;
- }
- else
- old_mpol = -1;
- }
- }
-
- if (a->flags & CLIB_MEM_VM_F_LOCKED)
- mmap_flags |= MAP_LOCKED;
-
- /* if we are creating shared segment, we need file descriptor */
- if (a->flags & CLIB_MEM_VM_F_SHARED)
- {
- mmap_flags |= MAP_SHARED;
- /* if hugepages are needed we need to create mount point */
- if (a->flags & CLIB_MEM_VM_F_HUGETLB)
- {
- log2_page_size = CLIB_MEM_PAGE_SZ_DEFAULT_HUGE;
- mmap_flags |= MAP_LOCKED;
- }
- else
- log2_page_size = CLIB_MEM_PAGE_SZ_DEFAULT;
-
- if ((fd = clib_mem_vm_create_fd (log2_page_size, "%s", a->name)) == -1)
- {
- err = clib_error_return (0, "%U", format_clib_error, mm->error);
- goto error;
- }
-
- log2_page_size = clib_mem_get_fd_log2_page_size (fd);
- if (log2_page_size == 0)
- {
- err = clib_error_return_unix (0, "cannot determine page size");
- goto error;
- }
-
- if (a->requested_va)
- {
- clib_mem_vm_randomize_va (&a->requested_va, log2_page_size);
- mmap_flags |= MAP_FIXED;
- }
- }
- else /* not CLIB_MEM_VM_F_SHARED */
- {
- mmap_flags |= MAP_PRIVATE | MAP_ANONYMOUS;
- if (a->flags & CLIB_MEM_VM_F_HUGETLB)
- {
- mmap_flags |= MAP_HUGETLB;
- log2_page_size = 21;
- }
- else
- {
- log2_page_size = min_log2 (sysconf (_SC_PAGESIZE));
- }
- }
-
- n_pages = ((a->size - 1) >> log2_page_size) + 1;
-
- if (a->flags & CLIB_MEM_VM_F_HUGETLB_PREALLOC)
- {
- err = clib_sysfs_prealloc_hugepages (a->numa_node, log2_page_size,
- n_pages);
- if (err)
- goto error;
-
- }
-
- if (fd != -1)
- if ((ftruncate (fd, (u64) n_pages * (1 << log2_page_size))) == -1)
- {
- err = clib_error_return_unix (0, "ftruncate");
- goto error;
- }
-
- if (old_mpol != -1)
- {
- int rv;
- long unsigned int mask[16] = { 0 };
- mask[0] = 1 << a->numa_node;
- rv = set_mempolicy (MPOL_BIND, mask, sizeof (mask) * 8 + 1);
- if (rv == -1 && a->numa_node != 0 &&
- (a->flags & CLIB_MEM_VM_F_NUMA_FORCE) != 0)
- {
- err = clib_error_return_unix (0, "set_mempolicy");
- goto error;
- }
- }
-
- addr = mmap (uword_to_pointer (a->requested_va, void *), a->size,
- (PROT_READ | PROT_WRITE), mmap_flags, fd, 0);
- if (addr == MAP_FAILED)
- {
- err = clib_error_return_unix (0, "mmap");
- goto error;
- }
-
- /* re-apply old numa memory policy */
- if (old_mpol != -1 &&
- set_mempolicy (old_mpol, old_mask, sizeof (old_mask) * 8 + 1) == -1)
- {
- err = clib_error_return_unix (0, "set_mempolicy");
- goto error;
- }
-
- a->log2_page_size = log2_page_size;
- a->n_pages = n_pages;
- a->addr = addr;
- a->fd = fd;
- CLIB_MEM_UNPOISON (addr, a->size);
- goto done;
-
-error:
- if (fd != -1)
- close (fd);
-
-done:
- vec_free (filename);
- return err;
-}
-
-void
-clib_mem_vm_ext_free (clib_mem_vm_alloc_t * a)
-{
- if (a != 0)
- {
- clib_mem_vm_free (a->addr, 1ull << a->log2_page_size);
- if (a->fd != -1)
- close (a->fd);
- }
-}
-
static int
legacy_memfd_create (u8 * name)
{