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SubjectRe: [PATCH v3] pipe: limit the per-user amount of pages allocated in pipes
Hi Willy,

[auto build test WARNING on linus/master]
[also build test WARNING on next-20160118]
[cannot apply to tip/sched/core v4.4]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Willy-Tarreau/pipe-limit-the-per-user-amount-of-pages-allocated-in-pipes/20160118-190854
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

include/linux/jbd2.h:439: warning: No description found for parameter 'i_transaction'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_next_transaction'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_list'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_vfs_inode'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_flags'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_rsv_handle'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_reserved'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_type'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_line_no'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_start_jiffies'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_requested_credits'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_lockdep_map'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_chkpt_bhs[JBD2_NR_BATCH]'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_devname[BDEVNAME_SIZE+24]'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_average_commit_time'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_min_batch_time'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_max_batch_time'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_commit_callback'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_failed_commit'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_chksum_driver'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_csum_seed'
include/linux/jbd2.h:1038: warning: Excess struct/union/enum/typedef member 'j_history' description in 'journal_s'
include/linux/jbd2.h:1038: warning: Excess struct/union/enum/typedef member 'j_history_max' description in 'journal_s'
include/linux/jbd2.h:1038: warning: Excess struct/union/enum/typedef member 'j_history_cur' description in 'journal_s'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'rsv_blocks'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'gfp_mask'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'type'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'line_no'
fs/jbd2/transaction.c:505: warning: No description found for parameter 'type'
fs/jbd2/transaction.c:505: warning: No description found for parameter 'line_no'
fs/jbd2/transaction.c:635: warning: No description found for parameter 'gfp_mask'
>> include/linux/pipe_fs_i.h:61: warning: No description found for parameter 'user'

vim +/user +61 include/linux/pipe_fs_i.h

0845718da Jens Axboe 2007-06-12 45 **/
17374ff1a Jens Axboe 2007-06-04 46 struct pipe_inode_info {
72b0d9aac Al Viro 2013-03-21 47 struct mutex mutex;
17374ff1a Jens Axboe 2007-06-04 48 wait_queue_head_t wait;
35f3d14db Jens Axboe 2010-05-20 49 unsigned int nrbufs, curbuf, buffers;
17374ff1a Jens Axboe 2007-06-04 50 unsigned int readers;
17374ff1a Jens Axboe 2007-06-04 51 unsigned int writers;
ba5bb1473 Al Viro 2013-03-21 52 unsigned int files;
17374ff1a Jens Axboe 2007-06-04 53 unsigned int waiting_writers;
17374ff1a Jens Axboe 2007-06-04 54 unsigned int r_counter;
17374ff1a Jens Axboe 2007-06-04 55 unsigned int w_counter;
35f3d14db Jens Axboe 2010-05-20 56 struct page *tmp_page;
17374ff1a Jens Axboe 2007-06-04 57 struct fasync_struct *fasync_readers;
17374ff1a Jens Axboe 2007-06-04 58 struct fasync_struct *fasync_writers;
35f3d14db Jens Axboe 2010-05-20 59 struct pipe_buffer *bufs;
89cb9d10e Willy Tarreau 2016-01-18 60 struct user_struct *user;
17374ff1a Jens Axboe 2007-06-04 @61 };
17374ff1a Jens Axboe 2007-06-04 62
f84d75199 Jens Axboe 2006-05-01 63 /*
f84d75199 Jens Axboe 2006-05-01 64 * Note on the nesting of these functions:
f84d75199 Jens Axboe 2006-05-01 65 *
cac36bb06 Jens Axboe 2007-06-14 66 * ->confirm()
f84d75199 Jens Axboe 2006-05-01 67 * ->steal()
f84d75199 Jens Axboe 2006-05-01 68 * ...
f84d75199 Jens Axboe 2006-05-01 69 * ->map()

:::::: The code at line 61 was first introduced by commit
:::::: 17374ff1aa9ce2a0597416a16729474b538af443 pipe: move pipe_inode_info structure decleration up before it's used

:::::: TO: Jens Axboe <jens.axboe@oracle.com>
:::::: CC: Jens Axboe <jens.axboe@oracle.com>

---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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