'-foffload-memory=pinned' using offloading device interfaces

[thirdparty/gcc.git] / libgomp / config / linux / allocator.c

diff --git a/libgomp/config/linux/allocator.c b/libgomp/config/linux/allocator.c
index 3e1bd5a128545a90fb6a28d57ead2342f4e1f875..62649f64221fd8298be57e6ce691a258b0c97705 100644 (file)
--- a/libgomp/config/linux/allocator.c
+++ b/libgomp/config/linux/allocator.c
@@ -45,20 +45,6 @@
 #include <assert.h>
 #include "libgomp.h"
 
-static bool always_pinned_mode = false;
-
-/* This function is called by the compiler when -foffload-memory=pinned
-   is used.  */
-
-void
-GOMP_enable_pinned_mode ()
-{
-  if (mlockall (MCL_CURRENT | MCL_FUTURE) != 0)
-    gomp_error ("failed to pin all memory (ulimit too low?)");
-  else
-    always_pinned_mode = true;
-}
-
 static int using_device_for_page_locked
   = /* uninitialized */ -1;
 
@@ -70,9 +56,6 @@ linux_memspace_alloc (omp_memspace_handle_t memspace, size_t size, int pin,
              __FUNCTION__, (unsigned long long) memspace,
              (unsigned long long) size, pin, init0);
 
-  /* Explicit pinning may not be required.  */
-  pin = pin && !always_pinned_mode;
-
   void *addr;
 
   if (memspace == ompx_unified_shared_mem_space)
@@ -137,9 +120,6 @@ linux_memspace_calloc (omp_memspace_handle_t memspace, size_t size, int pin)
   gomp_debug (0, "%s: memspace=%llu, size=%llu, pin=%d\n",
              __FUNCTION__, (unsigned long long) memspace, (unsigned long long) size, pin);
 
-  /* Explicit pinning may not be required.  */
-  pin = pin && !always_pinned_mode;
-
   if (memspace == ompx_unified_shared_mem_space)
     {
       void *ret = gomp_usm_alloc (size, GOMP_DEVICE_ICV);
@@ -159,9 +139,6 @@ linux_memspace_free (omp_memspace_handle_t memspace, void *addr, size_t size,
   gomp_debug (0, "%s: memspace=%llu, addr=%p, size=%llu, pin=%d\n",
              __FUNCTION__, (unsigned long long) memspace, addr, (unsigned long long) size, pin);
 
-  /* Explicit pinning may not be required.  */
-  pin = pin && !always_pinned_mode;
-
   if (memspace == ompx_unified_shared_mem_space)
     gomp_usm_free (addr, GOMP_DEVICE_ICV);
   else if (pin)
@@ -188,9 +165,6 @@ linux_memspace_realloc (omp_memspace_handle_t memspace, void *addr,
   gomp_debug (0, "%s: memspace=%llu, addr=%p, oldsize=%llu, size=%llu, oldpin=%d, pin=%d\n",
              __FUNCTION__, (unsigned long long) memspace, addr, (unsigned long long) oldsize, (unsigned long long) size, oldpin, pin);
 
-  /* Explicit pinning may not be required.  */
-  pin = pin && !always_pinned_mode;
-
   if (memspace == ompx_unified_shared_mem_space)
     goto manual_realloc;
   else if (oldpin && pin)