diff options
Diffstat (limited to 'fs/xfs/linux-2.6/kmem.h')
| -rw-r--r-- | fs/xfs/linux-2.6/kmem.h | 124 | 
1 files changed, 0 insertions, 124 deletions
| diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h deleted file mode 100644 index f7c8f7a9ea6d..000000000000 --- a/fs/xfs/linux-2.6/kmem.h +++ /dev/null @@ -1,124 +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 - */ -#ifndef __XFS_SUPPORT_KMEM_H__ -#define __XFS_SUPPORT_KMEM_H__ - -#include <linux/slab.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/vmalloc.h> - -/* - * General memory allocation interfaces - */ - -#define KM_SLEEP	0x0001u -#define KM_NOSLEEP	0x0002u -#define KM_NOFS		0x0004u -#define KM_MAYFAIL	0x0008u - -/* - * We use a special process flag to avoid recursive callbacks into - * the filesystem during transactions.  We will also issue our own - * warnings, so we explicitly skip any generic ones (silly of us). - */ -static inline gfp_t -kmem_flags_convert(unsigned int __nocast flags) -{ -	gfp_t	lflags; - -	BUG_ON(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL)); - -	if (flags & KM_NOSLEEP) { -		lflags = GFP_ATOMIC | __GFP_NOWARN; -	} else { -		lflags = GFP_KERNEL | __GFP_NOWARN; -		if ((current->flags & PF_FSTRANS) || (flags & KM_NOFS)) -			lflags &= ~__GFP_FS; -	} -	return lflags; -} - -extern void *kmem_alloc(size_t, unsigned int __nocast); -extern void *kmem_zalloc(size_t, unsigned int __nocast); -extern void *kmem_realloc(const void *, size_t, size_t, unsigned int __nocast); -extern void  kmem_free(const void *); - -static inline void *kmem_zalloc_large(size_t size) -{ -	void *ptr; - -	ptr = vmalloc(size); -	if (ptr) -		memset(ptr, 0, size); -	return ptr; -} -static inline void kmem_free_large(void *ptr) -{ -	vfree(ptr); -} - -extern void *kmem_zalloc_greedy(size_t *, size_t, size_t); - -/* - * Zone interfaces - */ - -#define KM_ZONE_HWALIGN	SLAB_HWCACHE_ALIGN -#define KM_ZONE_RECLAIM	SLAB_RECLAIM_ACCOUNT -#define KM_ZONE_SPREAD	SLAB_MEM_SPREAD - -#define kmem_zone	kmem_cache -#define kmem_zone_t	struct kmem_cache - -static inline kmem_zone_t * -kmem_zone_init(int size, char *zone_name) -{ -	return kmem_cache_create(zone_name, size, 0, 0, NULL); -} - -static inline kmem_zone_t * -kmem_zone_init_flags(int size, char *zone_name, unsigned long flags, -		     void (*construct)(void *)) -{ -	return kmem_cache_create(zone_name, size, 0, flags, construct); -} - -static inline void -kmem_zone_free(kmem_zone_t *zone, void *ptr) -{ -	kmem_cache_free(zone, ptr); -} - -static inline void -kmem_zone_destroy(kmem_zone_t *zone) -{ -	if (zone) -		kmem_cache_destroy(zone); -} - -extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast); -extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast); - -static inline int -kmem_shake_allow(gfp_t gfp_mask) -{ -	return ((gfp_mask & __GFP_WAIT) && (gfp_mask & __GFP_FS)); -} - -#endif /* __XFS_SUPPORT_KMEM_H__ */ |