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authorMatthew Wilcox (Oracle) <[email protected]>2021-03-12 23:57:44 -0500
committerMatthew Wilcox (Oracle) <[email protected]>2022-01-04 13:15:34 -0500
commit960ea971fa6cdac8d4825a6aaf99b92882e79fbb (patch)
tree9afc2b3ce4e4be564890374793d2b4489d217979 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf
parent820b05e92bdf07de94bc52c17d935d9ca0a481b3 (diff)
filemap: Use a folio in filemap_page_mkwrite
This fixes a bug for tail pages. They always have a NULL mapping, so the check would fail and we would never mark the folio as dirty. Ends up growing the kernel by 19 bytes although there will be fewer calls to compound_head() dynamically. Signed-off-by: Matthew Wilcox (Oracle) <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Reviewed-by: William Kucharski <[email protected]>
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