cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kmem.c (681B)

      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
     10void *
     11kmem_alloc(size_t size, xfs_km_flags_t flags)
     12{
     13	int	retries = 0;
     14	gfp_t	lflags = kmem_flags_convert(flags);
     15	void	*ptr;
     16
     17	trace_kmem_alloc(size, flags, _RET_IP_);
     18
     19	do {
     20		ptr = kmalloc(size, lflags);
     21		if (ptr || (flags & KM_MAYFAIL))
     22			return ptr;
     23		if (!(++retries % 100))
     24			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		memalloc_retry_wait(lflags);
     29	} while (1);
     30}