From 2bc1af5578a9c669c16839656bb661ce950c2246 Mon Sep 17 00:00:00 2001
From: Damjan Marion <damarion@cisco.com>
Date: Fri, 2 Oct 2020 15:01:12 +0200
Subject: vppinfra: use clib_mem_create_heap() to create numa heap(s)

Type: improvement
Change-Id: Ie04302c576869bc7bfaa9f13ed2ea8a403a393d4
Signed-off-by: Damjan Marion <damarion@cisco.com>
---
 src/vppinfra/linux/mem.c | 157 -----------------------------------------------
 1 file changed, 157 deletions(-)

(limited to 'src/vppinfra/linux')

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)
 {
-- 
cgit 1.2.3-korg