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classifier: Fix slab page detection #1836

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Merged
robertbaldyga merged 1 commit into from
Nov 1, 2026
Merged

classifier: Fix slab page detection #1836

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4 changes: 2 additions & 2 deletions modules/cas_cache/classifier.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ static cas_cls_eval_t _cas_cls_metadata_test(struct cas_classifier *cls,
if (PageAnon(io->page))
return cas_cls_eval_no;

if (PageSlab(io->page)) {
if (PageSlab(compound_head(io->page))) {
/* A filesystem issues IO on pages that does not belongs
* to the file page cache. It means that it is a
* part of metadata
Expand Down Expand Up @@ -1280,7 +1280,7 @@ static void _cas_cls_get_bio_context(struct bio *bio,
if (PageAnon(page))
return;

if (PageSlab(page))
if (PageSlab(compound_head(page)))
return;

mapping = cas_page_mapping(page);
Expand Down
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