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authorGautam Menghani <gautammenghani201@gmail.com>2022-10-26 07:45:24 +0300
committerAndrew Morton <akpm@linux-foundation.org>2022-11-23 05:50:41 +0300
commit045634ff1e8615714546d9dca92fcdbe0fd898ef (patch)
tree3c260d2e74a5ed40886ae02e3fd6f1b72ffa9ca2 /include
parented86b74874f839f0e579bdf92ea0a5aabdfabebb (diff)
downloadlinux-045634ff1e8615714546d9dca92fcdbe0fd898ef.tar.xz
mm/khugepaged: refactor mm_khugepaged_scan_file tracepoint to remove filename from function call
Refactor the mm_khugepaged_scan_file tracepoint to move filename dereference to the tracepoint definition, to maintain consistency with other tracepoints[1]. [1]:lore.kernel.org/lkml/20221024111621.3ba17e2c@gandalf.local.home/ Link: https://lkml.kernel.org/r/20221026044524.54793-1-gautammenghani201@gmail.com Fixes: d41fd2016ed07 ("mm/khugepaged: add tracepoint to hpage_collapse_scan_file()") Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com> Reviewed-by: Yang Shi <shy828301@gmail.com> Reviewed-by: Zach O'Keefe <zokeefe@google.com> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: David Hildenbrand <david@redhat.com> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/trace/events/huge_memory.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h
index 935af4947917..760455dfa860 100644
--- a/include/trace/events/huge_memory.h
+++ b/include/trace/events/huge_memory.h
@@ -171,15 +171,15 @@ TRACE_EVENT(mm_collapse_huge_page_swapin,
TRACE_EVENT(mm_khugepaged_scan_file,
- TP_PROTO(struct mm_struct *mm, struct page *page, const char *filename,
+ TP_PROTO(struct mm_struct *mm, struct page *page, struct file *file,
int present, int swap, int result),
- TP_ARGS(mm, page, filename, present, swap, result),
+ TP_ARGS(mm, page, file, present, swap, result),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(unsigned long, pfn)
- __string(filename, filename)
+ __string(filename, file->f_path.dentry->d_iname)
__field(int, present)
__field(int, swap)
__field(int, result)
@@ -188,7 +188,7 @@ TRACE_EVENT(mm_khugepaged_scan_file,
TP_fast_assign(
__entry->mm = mm;
__entry->pfn = page ? page_to_pfn(page) : -1;
- __assign_str(filename, filename);
+ __assign_str(filename, file->f_path.dentry->d_iname);
__entry->present = present;
__entry->swap = swap;
__entry->result = result;