Prev: [PATCH] - race-free suspend. Was: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)
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From: Eric Dumazet on 2 Jun 2010 01:40
No need to clear mod->refptr in module_unload_init(), since
alloc_percpu() already clears allocated chunks.

Signed-off-by: Eric Dumazet <eric.dumazet(a)gmail.com>
---
kernel/module.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index 0129769..15acb25 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -524,10 +524,6 @@ static void module_unload_init(struct module *mod)
int cpu;

INIT_LIST_HEAD(&mod->modules_which_use_me);
- for_each_possible_cpu(cpu) {
- per_cpu_ptr(mod->refptr, cpu)->incs = 0;
- per_cpu_ptr(mod->refptr, cpu)->decs = 0;
- }

/* Hold reference count during initialization. */
__this_cpu_write(mod->refptr->incs, 1);


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Prev: [PATCH] - race-free suspend. Was: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)
Next: Cleancache (was Transcendent Memory): overview