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mm/khugepaged: introduce release_pte_folio() to replace release_pte_page() 

release_pte_page() is converted to be a wrapper for release_pte_folio() to
help facilitate the khugepaged conversion to folios.

This replaces 3 calls to compound_head() with 1, and saves 85 bytes of
kernel text.

Link: https://lkml.kernel.org/r/20230114001556.43795-1-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Vishal Moola (Oracle) 2023-01-13 16:15:55 -08:00 committed by Andrew Morton
parent 62a9bbf2e9
commit 92644f583d
1 changed files with 10 additions and 5 deletions
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15
mm/khugepaged.c
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@ -490,13 +490,18 @@ void __khugepaged_exit(struct mm_struct *mm)
}
}
static void release_pte_folio(struct folio *folio)
{
node_stat_mod_folio(folio,
NR_ISOLATED_ANON + folio_is_file_lru(folio),
-folio_nr_pages(folio));
folio_unlock(folio);
folio_putback_lru(folio);
}
static void release_pte_page(struct page *page)
{
mod_node_page_state(page_pgdat(page),
NR_ISOLATED_ANON + page_is_file_lru(page),
-compound_nr(page));
unlock_page(page);
putback_lru_page(page);
release_pte_folio(page_folio(page));
}
static void release_pte_pages(pte_t *pte, pte_t *_pte,