wrapper/vzalloc.h

   1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
   2  *
   3  * wrapper/vzalloc.h
   4  *
   5  * Copyright (C) 2015 Michael Jeanson <mjeanson@efficios.com>
   6  */
   7
   8 #ifndef _LTTNG_WRAPPER_VZALLOC_H
   9 #define _LTTNG_WRAPPER_VZALLOC_H
  10
  11 #include <linux/version.h>
  12 #include <linux/vmalloc.h>
  13
  14 #if LTTNG_KERNEL_RANGE(2,6,36, 2,6,37)
  15 static inline
  16 void *lttng_vzalloc(unsigned long size)
  17 {
  18         void *ret;
  19         ret = vmalloc(size);
  20         if (!ret)
  21                 return NULL;
  22         memset(ret, 0, size);
  23         return ret;
  24 }
  25 #else
  26 static inline
  27 void *lttng_vzalloc(unsigned long size)
  28 {
  29         return vzalloc(size);
  30 }
  31 #endif
  32
  33
  34 #endif /* _LTTNG_WRAPPER_VZALLOC_H */