 dcaee95a1b
			
		
	
	
	dcaee95a1b
	
	
	
		
			
			2007/11/26, Patrick McHardy <kaber@trash.net>: > How about also switching vmalloc/get_free_pages to GFP_ZERO > and getting rid of the memset entirely while you're at it? > xfrm_hash: kmalloc + memset conversion to kzalloc fix to avoid memset entirely. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			39 lines
		
	
	
	
		
			806 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
	
		
			806 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /* xfrm_hash.c: Common hash table code.
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|  *
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|  * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
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|  */
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| 
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| #include <linux/kernel.h>
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| #include <linux/mm.h>
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| #include <linux/bootmem.h>
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| #include <linux/vmalloc.h>
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| #include <linux/slab.h>
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| #include <linux/xfrm.h>
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| 
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| #include "xfrm_hash.h"
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| 
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| struct hlist_head *xfrm_hash_alloc(unsigned int sz)
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| {
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| 	struct hlist_head *n;
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| 
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| 	if (sz <= PAGE_SIZE)
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| 		n = kzalloc(sz, GFP_KERNEL);
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| 	else if (hashdist)
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| 		n = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
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| 	else
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| 		n = (struct hlist_head *)
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| 			__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO,
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| 					 get_order(sz));
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| 
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| 	return n;
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| }
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| 
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| void xfrm_hash_free(struct hlist_head *n, unsigned int sz)
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| {
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| 	if (sz <= PAGE_SIZE)
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| 		kfree(n);
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| 	else if (hashdist)
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| 		vfree(n);
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| 	else
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| 		free_pages((unsigned long)n, get_order(sz));
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| }
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