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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 11:41:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 11:41:44 -0800
commit875fc4f5ddf35605581f9a5900c14afef48611f2 (patch)
treee237a28a71a5d1e72eaf0ecda737eb5c8614c72c /include/trace/events/page_isolation.h
parent7d1fc01afc5af35e5197e0e75abe900f6bd279b8 (diff)
parent7dfa4612204b511c934ca2a0e4f306f9981bd9aa (diff)
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Merge branch 'akpm' (patches from Andrew)
Merge first patch-bomb from Andrew Morton: - A few hotfixes which missed 4.4 becasue I was asleep. cc'ed to -stable - A few misc fixes - OCFS2 updates - Part of MM. Including pretty large changes to page-flags handling and to thp management which have been buffered up for 2-3 cycles now. I have a lot of MM material this time. [ It turns out the THP part wasn't quite ready, so that got dropped from this series - Linus ] * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits) zsmalloc: reorganize struct size_class to pack 4 bytes hole mm/zbud.c: use list_last_entry() instead of list_tail_entry() zram/zcomp: do not zero out zcomp private pages zram: pass gfp from zcomp frontend to backend zram: try vmalloc() after kmalloc() zram/zcomp: use GFP_NOIO to allocate streams mm: add tracepoint for scanning pages drivers/base/memory.c: fix kernel warning during memory hotplug on ppc64 mm/page_isolation: use macro to judge the alignment mm: fix noisy sparse warning in LIBCFS_ALLOC_PRE() mm: rework virtual memory accounting include/linux/memblock.h: fix ordering of 'flags' argument in comments mm: move lru_to_page to mm_inline.h Documentation/filesystems: describe the shared memory usage/accounting memory-hotplug: don't BUG() in register_memory_resource() hugetlb: make mm and fs code explicitly non-modular mm/swapfile.c: use list_for_each_entry_safe in free_swap_count_continuations mm: /proc/pid/clear_refs: no need to clear VM_SOFTDIRTY in clear_soft_dirty_pmd() mm: make sure isolate_lru_page() is never called for tail page vmstat: make vmstat_updater deferrable again and shut down on idle ...
Diffstat (limited to 'include/trace/events/page_isolation.h')
-rw-r--r--include/trace/events/page_isolation.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/trace/events/page_isolation.h b/include/trace/events/page_isolation.h
new file mode 100644
index 000000000000..6fb644029c80
--- /dev/null
+++ b/include/trace/events/page_isolation.h
@@ -0,0 +1,38 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM page_isolation
+
+#if !defined(_TRACE_PAGE_ISOLATION_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PAGE_ISOLATION_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(test_pages_isolated,
+
+ TP_PROTO(
+ unsigned long start_pfn,
+ unsigned long end_pfn,
+ unsigned long fin_pfn),
+
+ TP_ARGS(start_pfn, end_pfn, fin_pfn),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, start_pfn)
+ __field(unsigned long, end_pfn)
+ __field(unsigned long, fin_pfn)
+ ),
+
+ TP_fast_assign(
+ __entry->start_pfn = start_pfn;
+ __entry->end_pfn = end_pfn;
+ __entry->fin_pfn = fin_pfn;
+ ),
+
+ TP_printk("start_pfn=0x%lx end_pfn=0x%lx fin_pfn=0x%lx ret=%s",
+ __entry->start_pfn, __entry->end_pfn, __entry->fin_pfn,
+ __entry->end_pfn == __entry->fin_pfn ? "success" : "fail")
+);
+
+#endif /* _TRACE_PAGE_ISOLATION_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>