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author | Jonathan Corbet <corbet@lwn.net> | 2018-04-27 17:13:20 -0600 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2018-04-27 17:13:20 -0600 |
commit | ccf2b067948a8f90fc3d7990c57283e7e404d004 (patch) | |
tree | 298e69b6f3e1eef45ac50ba68abe3dd175c4dc8c /fs/proc | |
parent | e27a20f104673f8ada70c5d32430a7f4c577fe95 (diff) | |
parent | 6d08b06e67cd117f6992c46611dfb4ce267cd71e (diff) | |
download | linux-ccf2b067948a8f90fc3d7990c57283e7e404d004.tar.bz2 |
Merge tag 'v4.17-rc2' into docs-next
Merge -rc2 to pick up the changes to
Documentation/core-api/kernel-api.rst that hit mainline via the
networking tree. In their absence, subsequent patches cannot be
applied.
Diffstat (limited to 'fs/proc')
-rw-r--r-- | fs/proc/base.c | 6 | ||||
-rw-r--r-- | fs/proc/loadavg.c | 2 | ||||
-rw-r--r-- | fs/proc/task_mmu.c | 6 |
3 files changed, 12 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index eafa39a3a88c..1b2ede6abcdf 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1693,6 +1693,12 @@ void task_dump_owner(struct task_struct *task, umode_t mode, kuid_t uid; kgid_t gid; + if (unlikely(task->flags & PF_KTHREAD)) { + *ruid = GLOBAL_ROOT_UID; + *rgid = GLOBAL_ROOT_GID; + return; + } + /* Default to the tasks effective ownership */ rcu_read_lock(); cred = __task_cred(task); diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c index a000d7547479..b572cc865b92 100644 --- a/fs/proc/loadavg.c +++ b/fs/proc/loadavg.c @@ -24,7 +24,7 @@ static int loadavg_proc_show(struct seq_file *m, void *v) LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]), LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]), nr_running(), nr_threads, - idr_get_cursor(&task_active_pid_ns(current)->idr)); + idr_get_cursor(&task_active_pid_ns(current)->idr) - 1); return 0; } diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index ed48b6e36202..a20c6e495bb2 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1310,9 +1310,11 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, #ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION else if (is_swap_pmd(pmd)) { swp_entry_t entry = pmd_to_swp_entry(pmd); + unsigned long offset = swp_offset(entry); + offset += (addr & ~PMD_MASK) >> PAGE_SHIFT; frame = swp_type(entry) | - (swp_offset(entry) << MAX_SWAPFILES_SHIFT); + (offset << MAX_SWAPFILES_SHIFT); flags |= PM_SWAP; if (pmd_swp_soft_dirty(pmd)) flags |= PM_SOFT_DIRTY; @@ -1332,6 +1334,8 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, break; if (pm->show_pfn && (flags & PM_PRESENT)) frame++; + else if (flags & PM_SWAP) + frame += (1 << MAX_SWAPFILES_SHIFT); } spin_unlock(ptl); return err; |