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| author | Sourav Panda <souravpanda@google.com> | 2024-10-22 23:24:40 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-06 20:11:17 -0800 |
| commit | ed265529d39ac408396c031a4fd7e1ef922b80d0 (patch) | |
| tree | d3209e723fc3da3cd7fdd0c3f815dd0a9fce9216 | |
| parent | 78c018e3942c5dfbab7e6edb4eb784943878504b (diff) | |
| download | lwn-ed265529d39ac408396c031a4fd7e1ef922b80d0.tar.gz lwn-ed265529d39ac408396c031a4fd7e1ef922b80d0.zip | |
mm/codetag: fix arg in pgalloc_tag_copy alloc_tag_sub
alloc_tag_sub() takes bytes as opposed to number of pages as argument.
Currently pgalloc_tag_copy() passes the number of pages. This fix passes
the correct unit, which is the number of bytes allocated.
Link: https://lkml.kernel.org/r/20241022232440.334820-1-souravpanda@google.com
Fixes: e0a955bf7f61 ("mm/codetag: add pgalloc_tag_copy()")
Signed-off-by: Sourav Panda <souravpanda@google.com>
Acked-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/mm.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 4570f33e2429..eb070c14e309 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -4207,7 +4207,7 @@ static inline void pgalloc_tag_copy(struct folio *new, struct folio *old) /* Clear the old ref to the original allocation tag. */ clear_page_tag_ref(&old->page); /* Decrement the counters of the tag on get_new_folio. */ - alloc_tag_sub(ref, folio_nr_pages(new)); + alloc_tag_sub(ref, folio_size(new)); __alloc_tag_ref_set(ref, tag); |