Line data    Source code

       1             : // SPDX-License-Identifier: GPL-2.0
       2             : /*
       3             :  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
       4             :  * All Rights Reserved.
       5             :  */
       6             : #include "xfs.h"
       7             : #include "xfs_message.h"
       8             : #include "xfs_trace.h"
       9             : 
      10             : void *
      11  1547896188 : kmem_alloc(size_t size, xfs_km_flags_t flags)
      12             : {
      13  1547896188 :         int     retries = 0;
      14  1547896188 :         gfp_t   lflags = kmem_flags_convert(flags);
      15  1547985390 :         void    *ptr;
      16             : 
      17  1547985390 :         trace_kmem_alloc(size, flags, _RET_IP_);
      18             : 
      19  1547945717 :         do {
      20  1547945717 :                 ptr = kmalloc(size, lflags);
      21  1547952535 :                 if (ptr || (flags & KM_MAYFAIL))
      22  1547952535 :                         return ptr;
      23           0 :                 if (!(++retries % 100))
      24           0 :                         xfs_err(NULL,
      25             :         "%s(%u) possible memory allocation deadlock size %u in %s (mode:0x%x)",
      26             :                                 current->comm, current->pid,
      27             :                                 (unsigned int)size, __func__, lflags);
      28           0 :                 memalloc_retry_wait(lflags);
      29             :         } while (1);
      30             : }