https://github.com/torvalds/linux
Revision e5a59d308f52bb0052af5790c22173651b187465 authored by David Howells on 04 September 2020, 23:36:16 UTC, committed by Linus Torvalds on 05 September 2020, 19:14:30 UTC
collapse_file() in khugepaged passes PAGE_SIZE as the number of pages to
be read to page_cache_sync_readahead().  The intent was probably to read
a single page.  Fix it to use the number of pages to the end of the
window instead.

Fixes: 99cb0dbd47a1 ("mm,thp: add read-only THP support for (non-shmem) FS")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Yang Shi <shy828301@gmail.com>
Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-2-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 1774379
History
Tip revision: e5a59d308f52bb0052af5790c22173651b187465 authored by David Howells on 04 September 2020, 23:36:16 UTC
mm/khugepaged.c: fix khugepaged's request size in collapse_file
Tip revision: e5a59d3
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