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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-22 09:54:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-22 09:54:34 -0800 |
| commit | 6fb11e6508eac9d2e01ba748fc13afdd657224ab (patch) | |
| tree | badf5fa97da02eab53826465ea9da21079eac0dc /include | |
| parent | 3e1e21c7bfcfa9bf06c07f48a13faca2f62b3339 (diff) | |
| parent | b1b1e15ef6b80facf76d6757649dfd7295eda29f (diff) | |
| download | lwn-6fb11e6508eac9d2e01ba748fc13afdd657224ab.tar.gz lwn-6fb11e6508eac9d2e01ba748fc13afdd657224ab.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"Six fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
ocfs2: NFS hangs in __ocfs2_cluster_lock due to race with ocfs2_unblock_lock
reiserfs: fix dereference of ERR_PTR
ratelimit: fix bug in time interval by resetting right begin time
mm: fix kernel crash in khugepaged thread
mm: fix mlock accouting
thp: change pmd_trans_huge_lock() interface to return ptl
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/huge_mm.h | 16 | ||||
| -rw-r--r-- | include/trace/events/huge_memory.h | 12 |
2 files changed, 14 insertions, 14 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index cfe81e10bd54..459fd25b378e 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -120,15 +120,15 @@ extern void vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long start, unsigned long end, long adjust_next); -extern bool __pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma, - spinlock_t **ptl); +extern spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, + struct vm_area_struct *vma); /* mmap_sem must be held on entry */ -static inline bool pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma, - spinlock_t **ptl) +static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd, + struct vm_area_struct *vma) { VM_BUG_ON_VMA(!rwsem_is_locked(&vma->vm_mm->mmap_sem), vma); if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) - return __pmd_trans_huge_lock(pmd, vma, ptl); + return __pmd_trans_huge_lock(pmd, vma); else return false; } @@ -190,10 +190,10 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma, long adjust_next) { } -static inline bool pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma, - spinlock_t **ptl) +static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd, + struct vm_area_struct *vma) { - return false; + return NULL; } static inline int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h index 0f803d2783e3..47c6212d8f3c 100644 --- a/include/trace/events/huge_memory.h +++ b/include/trace/events/huge_memory.h @@ -46,10 +46,10 @@ SCAN_STATUS TRACE_EVENT(mm_khugepaged_scan_pmd, - TP_PROTO(struct mm_struct *mm, unsigned long pfn, bool writable, + TP_PROTO(struct mm_struct *mm, struct page *page, bool writable, bool referenced, int none_or_zero, int status), - TP_ARGS(mm, pfn, writable, referenced, none_or_zero, status), + TP_ARGS(mm, page, writable, referenced, none_or_zero, status), TP_STRUCT__entry( __field(struct mm_struct *, mm) @@ -62,7 +62,7 @@ TRACE_EVENT(mm_khugepaged_scan_pmd, TP_fast_assign( __entry->mm = mm; - __entry->pfn = pfn; + __entry->pfn = page ? page_to_pfn(page) : -1; __entry->writable = writable; __entry->referenced = referenced; __entry->none_or_zero = none_or_zero; @@ -104,10 +104,10 @@ TRACE_EVENT(mm_collapse_huge_page, TRACE_EVENT(mm_collapse_huge_page_isolate, - TP_PROTO(unsigned long pfn, int none_or_zero, + TP_PROTO(struct page *page, int none_or_zero, bool referenced, bool writable, int status), - TP_ARGS(pfn, none_or_zero, referenced, writable, status), + TP_ARGS(page, none_or_zero, referenced, writable, status), TP_STRUCT__entry( __field(unsigned long, pfn) @@ -118,7 +118,7 @@ TRACE_EVENT(mm_collapse_huge_page_isolate, ), TP_fast_assign( - __entry->pfn = pfn; + __entry->pfn = page ? page_to_pfn(page) : -1; __entry->none_or_zero = none_or_zero; __entry->referenced = referenced; __entry->writable = writable; |