On Fri, Aug 29, 2008 at 3:20 PM, Andrew Morton
wrote:
struct dyn_array {
void **name;
unsigned long size;
unsigned int *nr;
unsigned long align;
void (*init_work)(void *);
};
extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[];
extern struct dyn_array *__per_cpu_dyn_array_start[],
*__per_cpu_dyn_array_end[];
#define DEFINE_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
static struct dyn_array __dyn_array_##nameX __initdata = \
{ .name = (void **)&(nameX),\
.size = sizeX,\
.nr = &(nrX),\
.align = alignX,\
.init_work = init_workX,\
}; \
static struct dyn_array *__dyn_array_ptr_##nameX __used \
__attribute__((__section__(".dyn_array.init"))) = \
&__dyn_array_##nameX
#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
DEFINE_DYN_ARRAY_ADDR(nameX, nameX, sizeX, nrX, alignX, init_workX)
and use is
struct irq_desc *sparse_irqs;
DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc,
PAGE_SIZE, init_work);
then sparse_irqs is pointer, and .name store the address of that pointer.
later use
*da->name = phys_to_virt(phys);
to take back the dyn address.
YH
--
| Amit K. Arora | [RFC] Heads up on sys_fallocate() |
| James Bottomley | Re: Integration of SCST in the mainstream Linux kernel |
| Stephen Rothwell | Re: Announce: Linux-next (Or Andrew's dream :-)) |
| Greg KH | [GIT PATCH] driver core patches against 2.6.24 |
git: | |
| Gerrit Renker | [PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side) |
| Jarek Poplawski | [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock(). |
| Patrick McHardy | Re: [GIT]: Networking |
| Natalie Protasevich | [BUG] New Kernel Bugs |
