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Joonwoo Park
dcaee95a1b
2007/11/26, Patrick McHardy <[email protected]>: > 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 <[email protected]> Signed-off-by: Herbert Xu <[email protected]> Signed-off-by: David S. Miller <[email protected]>
40 lines
806 B
C
40 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 ([email protected])
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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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#include "xfrm_hash.h"
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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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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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return n;
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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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