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[POWERPC] Limit range of __init_ref_ok somewhat

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This patch introduces zalloc_maybe_bootmem and uses it so that we don't
have to mark a whole (largish) routine as __init_ref_ok.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell
2007-10-02 13:37:53 +10:00
committed by Paul Mackerras
parent 88de3cab98
commit 5669c3cf19
3 changed files with 18 additions and 8 deletions
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10
arch/powerpc/kernel/irq.c
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@@ -424,7 +424,7 @@ static int default_irq_host_match(struct irq_host *h, struct device_node *np)
return h->of_node != NULL && h->of_node == np;
}
__init_refok struct irq_host *irq_alloc_host(struct device_node *of_node,
struct irq_host *irq_alloc_host(struct device_node *of_node,
unsigned int revmap_type,
unsigned int revmap_arg,
struct irq_host_ops *ops,
@@ -439,13 +439,7 @@ __init_refok struct irq_host *irq_alloc_host(struct device_node *of_node,
/* Allocate structure and revmap table if using linear mapping */
if (revmap_type == IRQ_HOST_MAP_LINEAR)
size += revmap_arg * sizeof(unsigned int);
if (mem_init_done)
host = kzalloc(size, GFP_KERNEL);
else {
host = alloc_bootmem(size);
if (host)
memset(host, 0, size);
}
host = zalloc_maybe_bootmem(size, GFP_KERNEL);
if (host == NULL)
return NULL;