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| author | Zi Yan <ziy@nvidia.com> | 2022-03-30 15:45:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-30 15:45:43 -0700 |
| commit | 787af64d05cd528aac9ad16752d11bb1c6061bb9 (patch) | |
| tree | 0c18b1f5d46494dab9cd643bd303b7cbc4991a99 /kernel/Kconfig.preempt | |
| parent | d5fd43bac8396c9b213faf14cd4560d73b30f618 (diff) | |
| download | linux-stable-787af64d05cd528aac9ad16752d11bb1c6061bb9.tar.gz linux-stable-787af64d05cd528aac9ad16752d11bb1c6061bb9.tar.bz2 linux-stable-787af64d05cd528aac9ad16752d11bb1c6061bb9.zip | |
mm: page_alloc: validate buddy before check its migratetype.
Whenever a buddy page is found, page_is_buddy() should be called to
check its validity. Add the missing check during pageblock merge check.
Fixes: 1dd214b8f21c ("mm: page_alloc: avoid merging non-fallbackable pageblocks with others")
Link: https://lore.kernel.org/all/20220330154208.71aca532@gandalf.local.home/
Reported-and-tested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/Kconfig.preempt')
0 files changed, 0 insertions, 0 deletions