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authorRusty Russell <rusty@rustcorp.com.au>2007-07-17 04:03:17 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 10:23:00 -0700
commit8e1f936b73150f5095448a0fee6d4f30a1f9001d (patch)
tree0996203e35c629e2ec243d128c7bd91ecd74d24a /net/sunrpc/auth.c
parent5ad333eb66ff1e52a87639822ae088577669dcf9 (diff)
mm: clean up and kernelify shrinker registration
I can never remember what the function to register to receive VM pressure is called. I have to trace down from __alloc_pages() to find it. It's called "set_shrinker()", and it needs Your Help. 1) Don't hide struct shrinker. It contains no magic. 2) Don't allocate "struct shrinker". It's not helpful. 3) Call them "register_shrinker" and "unregister_shrinker". 4) Call the function "shrink" not "shrinker". 5) Reduce the 17 lines of waffly comments to 13, but document it properly. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: David Chinner <dgc@sgi.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/sunrpc/auth.c')
-rw-r--r--net/sunrpc/auth.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index aa55d0a03e6f..29a8ecc60928 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -543,17 +543,18 @@ rpcauth_uptodatecred(struct rpc_task *task)
test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0;
}
-
-static struct shrinker *rpc_cred_shrinker;
+static struct shrinker rpc_cred_shrinker = {
+ .shrink = rpcauth_cache_shrinker,
+ .seeks = DEFAULT_SEEKS,
+};
void __init rpcauth_init_module(void)
{
rpc_init_authunix();
- rpc_cred_shrinker = set_shrinker(DEFAULT_SEEKS, rpcauth_cache_shrinker);
+ register_shrinker(&rpc_cred_shrinker);
}
void __exit rpcauth_remove_module(void)
{
- if (rpc_cred_shrinker != NULL)
- remove_shrinker(rpc_cred_shrinker);
+ unregister_shrinker(&rpc_cred_shrinker);
}