diff options
Diffstat (limited to 'fs/xfs/linux-2.6/kmem.c')
| -rw-r--r-- | fs/xfs/linux-2.6/kmem.c | 132 | 
1 files changed, 0 insertions, 132 deletions
| diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c deleted file mode 100644 index a907de565db3..000000000000 --- a/fs/xfs/linux-2.6/kmem.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA - */ -#include <linux/mm.h> -#include <linux/highmem.h> -#include <linux/slab.h> -#include <linux/swap.h> -#include <linux/blkdev.h> -#include <linux/backing-dev.h> -#include "time.h" -#include "kmem.h" -#include "xfs_message.h" - -/* - * Greedy allocation.  May fail and may return vmalloced memory. - * - * Must be freed using kmem_free_large. - */ -void * -kmem_zalloc_greedy(size_t *size, size_t minsize, size_t maxsize) -{ -	void		*ptr; -	size_t		kmsize = maxsize; - -	while (!(ptr = kmem_zalloc_large(kmsize))) { -		if ((kmsize >>= 1) <= minsize) -			kmsize = minsize; -	} -	if (ptr) -		*size = kmsize; -	return ptr; -} - -void * -kmem_alloc(size_t size, unsigned int __nocast flags) -{ -	int	retries = 0; -	gfp_t	lflags = kmem_flags_convert(flags); -	void	*ptr; - -	do { -		ptr = kmalloc(size, lflags); -		if (ptr || (flags & (KM_MAYFAIL|KM_NOSLEEP))) -			return ptr; -		if (!(++retries % 100)) -			xfs_err(NULL, -		"possible memory allocation deadlock in %s (mode:0x%x)", -					__func__, lflags); -		congestion_wait(BLK_RW_ASYNC, HZ/50); -	} while (1); -} - -void * -kmem_zalloc(size_t size, unsigned int __nocast flags) -{ -	void	*ptr; - -	ptr = kmem_alloc(size, flags); -	if (ptr) -		memset((char *)ptr, 0, (int)size); -	return ptr; -} - -void -kmem_free(const void *ptr) -{ -	if (!is_vmalloc_addr(ptr)) { -		kfree(ptr); -	} else { -		vfree(ptr); -	} -} - -void * -kmem_realloc(const void *ptr, size_t newsize, size_t oldsize, -	     unsigned int __nocast flags) -{ -	void	*new; - -	new = kmem_alloc(newsize, flags); -	if (ptr) { -		if (new) -			memcpy(new, ptr, -				((oldsize < newsize) ? oldsize : newsize)); -		kmem_free(ptr); -	} -	return new; -} - -void * -kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags) -{ -	int	retries = 0; -	gfp_t	lflags = kmem_flags_convert(flags); -	void	*ptr; - -	do { -		ptr = kmem_cache_alloc(zone, lflags); -		if (ptr || (flags & (KM_MAYFAIL|KM_NOSLEEP))) -			return ptr; -		if (!(++retries % 100)) -			xfs_err(NULL, -		"possible memory allocation deadlock in %s (mode:0x%x)", -					__func__, lflags); -		congestion_wait(BLK_RW_ASYNC, HZ/50); -	} while (1); -} - -void * -kmem_zone_zalloc(kmem_zone_t *zone, unsigned int __nocast flags) -{ -	void	*ptr; - -	ptr = kmem_zone_alloc(zone, flags); -	if (ptr) -		memset((char *)ptr, 0, kmem_cache_size(zone)); -	return ptr; -} |