Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753067AbbEHMDA (ORCPT ); Fri, 8 May 2015 08:03:00 -0400 Received: from shuey-test.rcac.purdue.edu ([128.211.158.18]:53646 "EHLO shuey-test.rcac.purdue.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752699AbbEHMBQ (ORCPT ); Fri, 8 May 2015 08:01:16 -0400 From: Mike Shuey To: oleg.drokin@intel.com Cc: devel@driverdev.osuosl.org, gregkh@linuxfoundation.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, HPDD-discuss@ml01.01.org, Mike Shuey Subject: [PATCH v2 3/8] staging: lustre: code cleanup - variable declaration spacing Date: Fri, 8 May 2015 08:00:55 -0400 Message-Id: <1431086460-22455-11-git-send-email-shuey@purdue.edu> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1431086460-22455-9-git-send-email-shuey@purdue.edu> References: <1431086460-22455-9-git-send-email-shuey@purdue.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 17909 Lines: 611 Clean up spacing in some variable declarations, to be more consistent. --- drivers/staging/lustre/lnet/lnet/lib-md.c | 26 ++-- drivers/staging/lustre/lnet/lnet/lib-me.c | 20 +- drivers/staging/lustre/lnet/lnet/lib-move.c | 240 +++++++++++++------------- 3 files changed, 143 insertions(+), 143 deletions(-) diff --git a/drivers/staging/lustre/lnet/lnet/lib-md.c b/drivers/staging/lustre/lnet/lnet/lib-md.c index 89d660f..5856c30 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-md.c +++ b/drivers/staging/lustre/lnet/lnet/lib-md.c @@ -74,7 +74,7 @@ lnet_md_unlink(lnet_libmd_t *md) CDEBUG(D_NET, "Unlinking md %p\n", md); if (md->md_eq != NULL) { - int cpt = lnet_cpt_of_cookie(md->md_lh.lh_cookie); + int cpt = lnet_cpt_of_cookie(md->md_lh.lh_cookie); LASSERT(*md->md_eq->eq_refs[cpt] > 0); (*md->md_eq->eq_refs[cpt])--; @@ -88,9 +88,9 @@ lnet_md_unlink(lnet_libmd_t *md) static int lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink) { - int i; + int i; unsigned int niov; - int total_length = 0; + int total_length = 0; lmd->md_me = NULL; lmd->md_start = umd->start; @@ -268,10 +268,10 @@ LNetMDAttach(lnet_handle_me_t meh, lnet_md_t umd, { LIST_HEAD(matches); LIST_HEAD(drops); - struct lnet_me *me; - struct lnet_libmd *md; - int cpt; - int rc; + struct lnet_me *me; + struct lnet_libmd *md; + int cpt; + int rc; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); @@ -346,9 +346,9 @@ EXPORT_SYMBOL(LNetMDAttach); int LNetMDBind(lnet_md_t umd, lnet_unlink_t unlink, lnet_handle_md_t *handle) { - lnet_libmd_t *md; - int cpt; - int rc; + lnet_libmd_t *md; + int cpt; + int rc; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); @@ -421,9 +421,9 @@ EXPORT_SYMBOL(LNetMDBind); int LNetMDUnlink(lnet_handle_md_t mdh) { - lnet_event_t ev; - lnet_libmd_t *md; - int cpt; + lnet_event_t ev; + lnet_libmd_t *md; + int cpt; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); diff --git a/drivers/staging/lustre/lnet/lnet/lib-me.c b/drivers/staging/lustre/lnet/lnet/lib-me.c index a3f9292..09e9008 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-me.c +++ b/drivers/staging/lustre/lnet/lnet/lib-me.c @@ -80,8 +80,8 @@ LNetMEAttach(unsigned int portal, lnet_handle_me_t *handle) { struct lnet_match_table *mtable; - struct lnet_me *me; - struct list_head *head; + struct lnet_me *me; + struct list_head *head; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); @@ -151,10 +151,10 @@ LNetMEInsert(lnet_handle_me_t current_meh, lnet_unlink_t unlink, lnet_ins_pos_t pos, lnet_handle_me_t *handle) { - struct lnet_me *current_me; - struct lnet_me *new_me; - struct lnet_portal *ptl; - int cpt; + struct lnet_me *current_me; + struct lnet_me *new_me; + struct lnet_portal *ptl; + int cpt; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); @@ -228,10 +228,10 @@ EXPORT_SYMBOL(LNetMEInsert); int LNetMEUnlink(lnet_handle_me_t meh) { - lnet_me_t *me; - lnet_libmd_t *md; - lnet_event_t ev; - int cpt; + lnet_me_t *me; + lnet_libmd_t *md; + lnet_event_t ev; + int cpt; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c index c2fb70e..ba59fe7 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-move.c +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c @@ -49,10 +49,10 @@ MODULE_PARM_DESC(local_nid_dist_zero, "Reserved"); int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold) { - lnet_test_peer_t *tp; - struct list_head *el; - struct list_head *next; - struct list_head cull; + lnet_test_peer_t *tp; + struct list_head *el; + struct list_head *next; + struct list_head cull; LASSERT(the_lnet.ln_init); @@ -103,10 +103,10 @@ static int fail_peer(lnet_nid_t nid, int outgoing) { lnet_test_peer_t *tp; - struct list_head *el; - struct list_head *next; - struct list_head cull; - int fail = 0; + struct list_head *el; + struct list_head *next; + struct list_head cull; + int fail = 0; INIT_LIST_HEAD(&cull); @@ -175,7 +175,7 @@ lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset, unsigned int nob) { /* NB diov, siov are READ-ONLY */ - unsigned int this_nob; + unsigned int this_nob; if (nob == 0) return; @@ -236,8 +236,8 @@ lnet_extract_iov(int dst_niov, struct kvec *dst, /* Initialise 'dst' to the subset of 'src' starting at 'offset', * for exactly 'len' bytes, and return the number of entries. * NB not destructive to 'src' */ - unsigned int frag_len; - unsigned int niov; + unsigned int frag_len; + unsigned int niov; if (len == 0) /* no data => */ return 0; /* no frags */ @@ -279,7 +279,7 @@ EXPORT_SYMBOL(lnet_extract_iov); unsigned int lnet_kiov_nob(unsigned int niov, lnet_kiov_t *kiov) { - unsigned int nob = 0; + unsigned int nob = 0; while (niov-- > 0) nob += (kiov++)->kiov_len; @@ -294,9 +294,9 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset, unsigned int nob) { /* NB diov, siov are READ-ONLY */ - unsigned int this_nob; - char *daddr = NULL; - char *saddr = NULL; + unsigned int this_nob; + char *daddr = NULL; + char *saddr = NULL; if (nob == 0) return; @@ -376,8 +376,8 @@ lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset, unsigned int kiovoffset, unsigned int nob) { /* NB iov, kiov are READ-ONLY */ - unsigned int this_nob; - char *addr = NULL; + unsigned int this_nob; + char *addr = NULL; if (nob == 0) return; @@ -447,8 +447,8 @@ lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov, unsigned int nob) { /* NB kiov, iov are READ-ONLY */ - unsigned int this_nob; - char *addr = NULL; + unsigned int this_nob; + char *addr = NULL; if (nob == 0) return; @@ -518,8 +518,8 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst, /* Initialise 'dst' to the subset of 'src' starting at 'offset', * for exactly 'len' bytes, and return the number of entries. * NB not destructive to 'src' */ - unsigned int frag_len; - unsigned int niov; + unsigned int frag_len; + unsigned int niov; if (len == 0) /* no data => */ return 0; /* no frags */ @@ -565,10 +565,10 @@ static void lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed, unsigned int offset, unsigned int mlen, unsigned int rlen) { - unsigned int niov = 0; + unsigned int niov = 0; struct kvec *iov = NULL; - lnet_kiov_t *kiov = NULL; - int rc; + lnet_kiov_t *kiov = NULL; + int rc; LASSERT(!in_interrupt()); LASSERT(mlen == 0 || msg != NULL); @@ -642,8 +642,8 @@ lnet_prep_send(lnet_msg_t *msg, int type, lnet_process_id_t target, static void lnet_ni_send(lnet_ni_t *ni, lnet_msg_t *msg) { - void *priv = msg->msg_private; - int rc; + void *priv = msg->msg_private; + int rc; LASSERT(!in_interrupt()); LASSERT(LNET_NETTYP(LNET_NIDNET(ni->ni_nid)) == LOLND || @@ -657,7 +657,7 @@ lnet_ni_send(lnet_ni_t *ni, lnet_msg_t *msg) static int lnet_ni_eager_recv(lnet_ni_t *ni, lnet_msg_t *msg) { - int rc; + int rc; LASSERT(!msg->msg_sending); LASSERT(msg->msg_receiving); @@ -700,7 +700,7 @@ lnet_ni_query_locked(lnet_ni_t *ni, lnet_peer_t *lp) static inline int lnet_peer_is_alive(lnet_peer_t *lp, unsigned long now) { - int alive; + int alive; unsigned long deadline; LASSERT(lnet_peer_aliveness_enabled(lp)); @@ -785,10 +785,10 @@ lnet_peer_alive_locked(lnet_peer_t *lp) static int lnet_post_send_locked(lnet_msg_t *msg, int do_send) { - lnet_peer_t *lp = msg->msg_txpeer; - lnet_ni_t *ni = lp->lp_ni; - int cpt = msg->msg_tx_cpt; - struct lnet_tx_queue *tq = ni->ni_tx_queues[cpt]; + lnet_peer_t *lp = msg->msg_txpeer; + lnet_ni_t *ni = lp->lp_ni; + int cpt = msg->msg_tx_cpt; + struct lnet_tx_queue *tq = ni->ni_tx_queues[cpt]; /* non-lnet_send() callers have checked before */ LASSERT(!do_send || msg->msg_tx_delayed); @@ -871,8 +871,8 @@ lnet_post_send_locked(lnet_msg_t *msg, int do_send) static lnet_rtrbufpool_t * lnet_msg2bufpool(lnet_msg_t *msg) { - lnet_rtrbufpool_t *rbp; - int cpt; + lnet_rtrbufpool_t *rbp; + int cpt; LASSERT(msg->msg_rx_committed); @@ -894,9 +894,9 @@ lnet_post_routed_recv_locked(lnet_msg_t *msg, int do_recv) /* lnet_parse is going to lnet_net_unlock immediately after this, so it * sets do_recv FALSE and I don't do the unlock/send/lock bit. I * return EAGAIN if msg blocked and 0 if received or OK to receive */ - lnet_peer_t *lp = msg->msg_rxpeer; - lnet_rtrbufpool_t *rbp; - lnet_rtrbuf_t *rb; + lnet_peer_t *lp = msg->msg_rxpeer; + lnet_rtrbufpool_t *rbp; + lnet_rtrbuf_t *rb; LASSERT(msg->msg_iov == NULL); LASSERT(msg->msg_kiov == NULL); @@ -967,11 +967,11 @@ lnet_post_routed_recv_locked(lnet_msg_t *msg, int do_recv) void lnet_return_tx_credits_locked(lnet_msg_t *msg) { - lnet_peer_t *txpeer = msg->msg_txpeer; - lnet_msg_t *msg2; + lnet_peer_t *txpeer = msg->msg_txpeer; + lnet_msg_t *msg2; if (msg->msg_txcredit) { - struct lnet_ni *ni = txpeer->lp_ni; + struct lnet_ni *ni = txpeer->lp_ni; struct lnet_tx_queue *tq = ni->ni_tx_queues[msg->msg_tx_cpt]; /* give back NI txcredits */ @@ -1025,12 +1025,12 @@ lnet_return_tx_credits_locked(lnet_msg_t *msg) void lnet_return_rx_credits_locked(lnet_msg_t *msg) { - lnet_peer_t *rxpeer = msg->msg_rxpeer; - lnet_msg_t *msg2; + lnet_peer_t *rxpeer = msg->msg_rxpeer; + lnet_msg_t *msg2; if (msg->msg_rtrcredit) { /* give back global router credits */ - lnet_rtrbuf_t *rb; + lnet_rtrbuf_t *rb; lnet_rtrbufpool_t *rbp; /* NB If a msg ever blocks for a buffer in rbp_msgs, it stays @@ -1122,13 +1122,13 @@ lnet_compare_routes(lnet_route_t *r1, lnet_route_t *r2) static lnet_peer_t * lnet_find_route_locked(lnet_ni_t *ni, lnet_nid_t target, lnet_nid_t rtr_nid) { - lnet_remotenet_t *rnet; - lnet_route_t *rtr; - lnet_route_t *rtr_best; - lnet_route_t *rtr_last; - struct lnet_peer *lp_best; - struct lnet_peer *lp; - int rc; + lnet_remotenet_t *rnet; + lnet_route_t *rtr; + lnet_route_t *rtr_best; + lnet_route_t *rtr_last; + struct lnet_peer *lp_best; + struct lnet_peer *lp; + int rc; /* If @rtr_nid is not LNET_NID_ANY, return the gateway with * rtr_nid nid, otherwise find the best gateway I can use */ @@ -1182,13 +1182,13 @@ lnet_find_route_locked(lnet_ni_t *ni, lnet_nid_t target, lnet_nid_t rtr_nid) int lnet_send(lnet_nid_t src_nid, lnet_msg_t *msg, lnet_nid_t rtr_nid) { - lnet_nid_t dst_nid = msg->msg_target.nid; - struct lnet_ni *src_ni; - struct lnet_ni *local_ni; - struct lnet_peer *lp; - int cpt; - int cpt2; - int rc; + lnet_nid_t dst_nid = msg->msg_target.nid; + struct lnet_ni *src_ni; + struct lnet_ni *local_ni; + struct lnet_peer *lp; + int cpt; + int cpt2; + int rc; /* NB: rtr_nid is set to LNET_NID_ANY for all current use-cases, * but we might want to use pre-determined router for ACK/REPLY @@ -1364,7 +1364,7 @@ lnet_drop_message(lnet_ni_t *ni, int cpt, void *private, unsigned int nob) static void lnet_recv_put(lnet_ni_t *ni, lnet_msg_t *msg) { - lnet_hdr_t *hdr = &msg->msg_hdr; + lnet_hdr_t *hdr = &msg->msg_hdr; if (msg->msg_wanted != 0) lnet_setpayloadbuffer(msg); @@ -1383,9 +1383,9 @@ lnet_recv_put(lnet_ni_t *ni, lnet_msg_t *msg) static int lnet_parse_put(lnet_ni_t *ni, lnet_msg_t *msg) { - lnet_hdr_t *hdr = &msg->msg_hdr; - struct lnet_match_info info; - int rc; + lnet_hdr_t *hdr = &msg->msg_hdr; + struct lnet_match_info info; + int rc; /* Convert put fields to host byte order */ hdr->msg.put.match_bits = le64_to_cpu(hdr->msg.put.match_bits); @@ -1433,24 +1433,24 @@ lnet_parse_put(lnet_ni_t *ni, lnet_msg_t *msg) static int lnet_parse_get(lnet_ni_t *ni, lnet_msg_t *msg, int rdma_get) { - struct lnet_match_info info; - lnet_hdr_t *hdr = &msg->msg_hdr; - lnet_handle_wire_t reply_wmd; - int rc; + struct lnet_match_info info; + lnet_hdr_t *hdr = &msg->msg_hdr; + lnet_handle_wire_t reply_wmd; + int rc; /* Convert get fields to host byte order */ - hdr->msg.get.match_bits = le64_to_cpu(hdr->msg.get.match_bits); - hdr->msg.get.ptl_index = le32_to_cpu(hdr->msg.get.ptl_index); - hdr->msg.get.sink_length = le32_to_cpu(hdr->msg.get.sink_length); - hdr->msg.get.src_offset = le32_to_cpu(hdr->msg.get.src_offset); - - info.mi_id.nid = hdr->src_nid; - info.mi_id.pid = hdr->src_pid; - info.mi_opc = LNET_MD_OP_GET; - info.mi_portal = hdr->msg.get.ptl_index; - info.mi_rlength = hdr->msg.get.sink_length; - info.mi_roffset = hdr->msg.get.src_offset; - info.mi_mbits = hdr->msg.get.match_bits; + hdr->msg.get.match_bits = le64_to_cpu(hdr->msg.get.match_bits); + hdr->msg.get.ptl_index = le32_to_cpu(hdr->msg.get.ptl_index); + hdr->msg.get.sink_length = le32_to_cpu(hdr->msg.get.sink_length); + hdr->msg.get.src_offset = le32_to_cpu(hdr->msg.get.src_offset); + + info.mi_id.nid = hdr->src_nid; + info.mi_id.pid = hdr->src_pid; + info.mi_opc = LNET_MD_OP_GET; + info.mi_portal = hdr->msg.get.ptl_index; + info.mi_rlength = hdr->msg.get.sink_length; + info.mi_roffset = hdr->msg.get.src_offset; + info.mi_mbits = hdr->msg.get.match_bits; rc = lnet_ptl_match_md(&info, msg); if (rc == LNET_MATCHMD_DROP) { @@ -1497,13 +1497,13 @@ lnet_parse_get(lnet_ni_t *ni, lnet_msg_t *msg, int rdma_get) static int lnet_parse_reply(lnet_ni_t *ni, lnet_msg_t *msg) { - void *private = msg->msg_private; - lnet_hdr_t *hdr = &msg->msg_hdr; + void *private = msg->msg_private; + lnet_hdr_t *hdr = &msg->msg_hdr; lnet_process_id_t src = {0}; - lnet_libmd_t *md; - int rlength; - int mlength; - int cpt; + lnet_libmd_t *md; + int rlength; + int mlength; + int cpt; cpt = lnet_cpt_of_cookie(hdr->msg.reply.dst_wmd.wh_object_cookie); lnet_res_lock(cpt); @@ -1562,10 +1562,10 @@ lnet_parse_reply(lnet_ni_t *ni, lnet_msg_t *msg) static int lnet_parse_ack(lnet_ni_t *ni, lnet_msg_t *msg) { - lnet_hdr_t *hdr = &msg->msg_hdr; + lnet_hdr_t *hdr = &msg->msg_hdr; lnet_process_id_t src = {0}; - lnet_libmd_t *md; - int cpt; + lnet_libmd_t *md; + int cpt; src.nid = hdr->src_nid; src.pid = hdr->src_pid; @@ -1612,7 +1612,7 @@ lnet_parse_ack(lnet_ni_t *ni, lnet_msg_t *msg) static int lnet_parse_forward_locked(lnet_ni_t *ni, lnet_msg_t *msg) { - int rc = 0; + int rc = 0; if (msg->msg_rxpeer->lp_rtrcredits <= 0 || lnet_msg2bufpool(msg)->rbp_credits <= 0) { @@ -1713,15 +1713,15 @@ int lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid, void *private, int rdma_req) { - int rc = 0; - int cpt; - int for_me; - struct lnet_msg *msg; - lnet_pid_t dest_pid; - lnet_nid_t dest_nid; - lnet_nid_t src_nid; - __u32 payload_length; - __u32 type; + int rc = 0; + int cpt; + int for_me; + struct lnet_msg *msg; + lnet_pid_t dest_pid; + lnet_nid_t dest_nid; + lnet_nid_t src_nid; + __u32 payload_length; + __u32 type; LASSERT(!in_interrupt()); @@ -1945,8 +1945,8 @@ void lnet_drop_delayed_msg_list(struct list_head *head, char *reason) { while (!list_empty(head)) { - lnet_process_id_t id = {0}; - lnet_msg_t *msg; + lnet_process_id_t id = {0}; + lnet_msg_t *msg; msg = list_entry(head->next, lnet_msg_t, msg_list); list_del(&msg->msg_list); @@ -1986,8 +1986,8 @@ void lnet_recv_delayed_msg_list(struct list_head *head) { while (!list_empty(head)) { - lnet_msg_t *msg; - lnet_process_id_t id; + lnet_msg_t *msg; + lnet_process_id_t id; msg = list_entry(head->next, lnet_msg_t, msg_list); list_del(&msg->msg_list); @@ -2063,10 +2063,10 @@ LNetPut(lnet_nid_t self, lnet_handle_md_t mdh, lnet_ack_req_t ack, __u64 match_bits, unsigned int offset, __u64 hdr_data) { - struct lnet_msg *msg; - struct lnet_libmd *md; - int cpt; - int rc; + struct lnet_msg *msg; + struct lnet_libmd *md; + int cpt; + int rc; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); @@ -2153,10 +2153,10 @@ lnet_create_reply_msg(lnet_ni_t *ni, lnet_msg_t *getmsg) * CAVEAT EMPTOR: 'getmsg' is the original GET, which is freed when * lnet_finalize() is called on it, so the LND must call this first */ - struct lnet_msg *msg = lnet_msg_alloc(); - struct lnet_libmd *getmd = getmsg->msg_md; - lnet_process_id_t peer_id = getmsg->msg_target; - int cpt; + struct lnet_msg *msg = lnet_msg_alloc(); + struct lnet_libmd *getmd = getmsg->msg_md; + lnet_process_id_t peer_id = getmsg->msg_target; + int cpt; LASSERT(!getmsg->msg_target_is_router); LASSERT(!getmsg->msg_routing); @@ -2263,10 +2263,10 @@ LNetGet(lnet_nid_t self, lnet_handle_md_t mdh, lnet_process_id_t target, unsigned int portal, __u64 match_bits, unsigned int offset) { - struct lnet_msg *msg; - struct lnet_libmd *md; - int cpt; - int rc; + struct lnet_msg *msg; + struct lnet_libmd *md; + int cpt; + int rc; LASSERT(the_lnet.ln_init); LASSERT(the_lnet.ln_refcount > 0); @@ -2353,14 +2353,14 @@ EXPORT_SYMBOL(LNetGet); int LNetDist(lnet_nid_t dstnid, lnet_nid_t *srcnidp, __u32 *orderp) { - struct list_head *e; - struct lnet_ni *ni; - lnet_remotenet_t *rnet; - __u32 dstnet = LNET_NIDNET(dstnid); - int hops; - int cpt; - __u32 order = 2; - struct list_head *rn_list; + struct list_head *e; + struct lnet_ni *ni; + lnet_remotenet_t *rnet; + __u32 dstnet = LNET_NIDNET(dstnid); + int hops; + int cpt; + __u32 order = 2; + struct list_head *rn_list; /* if !local_nid_dist_zero, I don't return a distance of 0 ever * (when lustre sees a distance of 0, it substitutes 0@lo), so I -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/