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mm: remove PageReadahead

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This flag is now only used on folios, so we can remove all the page
accessors.

Link: https://lkml.kernel.org/r/20240821193445.2294269-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-08-21 20:34:36 +01:00 committed by Andrew Morton
parent 0b75828036
commit 6f394ee9dd
1 changed files with 2 additions and 2 deletions
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4
include/linux/page-flags.h
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@ -553,8 +553,8 @@ PAGEFLAG(MappedToDisk, mappedtodisk, PF_NO_TAIL)
/* PG_readahead is only used for reads; PG_reclaim is only for writes */
PAGEFLAG(Reclaim, reclaim, PF_NO_TAIL)
TESTCLEARFLAG(Reclaim, reclaim, PF_NO_TAIL)
PAGEFLAG(Readahead, readahead, PF_NO_COMPOUND)
TESTCLEARFLAG(Readahead, readahead, PF_NO_COMPOUND)
FOLIO_FLAG(readahead, FOLIO_HEAD_PAGE)
FOLIO_TEST_CLEAR_FLAG(readahead, FOLIO_HEAD_PAGE)
#ifdef CONFIG_HIGHMEM
/*