mm: convert DAX lock/unlock page to lock/unlock folio

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[ Upstream commit 91e79d22be ]

The one caller of DAX lock/unlock page already calls compound_head(), so
use page_folio() instead, then use a folio throughout the DAX code to
remove uses of page->mapping and page->index.

[jane.chu@oracle.com: add comment to mf_generic_kill_procss(), simplify mf_generic_kill_procs:folio initialization]
  Link: https://lkml.kernel.org/r/20230908222336.186313-1-jane.chu@oracle.com
Link: https://lkml.kernel.org/r/20230822231314.349200-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jane Chu <jane.chu@oracle.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jane Chu <jane.chu@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: 376907f3a0 ("mm/memory-failure: pass the folio and the page to collect_procs()")
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Matthew Wilcox (Oracle) 2023-08-23 00:13:14 +01:00 • committed by Greg Kroah-Hartman

parent 200bc36613

commit 393155f9b2

3 changed files with 33 additions and 30 deletions

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24

fs/dax.c

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10

include/linux/dax.h

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29

mm/memory-failure.c

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