rmap: add folio_add_file_rmap_range()

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folio_add_file_rmap_range() allows to add pte mapping to a specific range
of file folio.  Comparing to page_add_file_rmap(), it batched updates
__lruvec_stat for large folio.

Link: https://lkml.kernel.org/r/20230802151406.3735276-36-willy@infradead.org
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Yin Fengwei 2023-08-02 16:14:03 +01:00 • committed by Andrew Morton

parent de74976eb6

commit 86f35f69db

2 changed files with 48 additions and 14 deletions

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2

include/linux/rmap.h

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60

mm/rmap.c

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