diff options
| author | Andrea Arcangeli <[email protected]> | 2011-03-18 00:16:35 +0100 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2011-03-17 16:31:13 -0700 |
| commit | ef2b4b95a63a1d23958dcb99eb2c6898eddc87d0 (patch) | |
| tree | 0a22745dba03926768552aa3006b166995e5342d /tools/perf/util/trace-event-scripting.c | |
| parent | 7b7adc4a016a1decb806eb71ecab98721fa7f146 (diff) | |
mm: PageBuddy and mapcount robustness
Change the _mapcount value indicating PageBuddy from -2 to -128 for
more robusteness against page_mapcount() undeflows.
Use reset_page_mapcount instead of __ClearPageBuddy in bad_page to
ignore the previous retval of PageBuddy().
Signed-off-by: Andrea Arcangeli <[email protected]>
Reported-by: Hugh Dickins <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions