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* + mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2.patch added to -mm tree
@ 2021-04-22 23:03 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2021-04-22 23:03 UTC (permalink / raw)
  To: dchinner, hannes, hch, hughd, jack, kirill.shutemov, mm-commits,
	william.kucharski, willy, yang.shi


The patch titled
     Subject: mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2
has been added to the -mm tree.  Its filename is
     mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2.patch

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------------------------------------------------------
From: Hugh Dickins <hughd@google.com>
Subject: mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2

remove unneeded u64 casts

Link: https://lkml.kernel.org/r/alpine.LSU.2.11.2104221347240.1170@eggly.anvils
Fixes: 41139aa4c3a3 ("mm/filemap: add mapping_seek_hole_data")
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/filemap.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/mm/filemap.c~mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2
+++ a/mm/filemap.c
@@ -2677,8 +2677,8 @@ unsigned int seek_page_size(struct xa_st
 loff_t mapping_seek_hole_data(struct address_space *mapping, loff_t start,
 		loff_t end, int whence)
 {
-	XA_STATE(xas, &mapping->i_pages, (u64)start >> PAGE_SHIFT);
-	pgoff_t max = (u64)(end - 1) >> PAGE_SHIFT;
+	XA_STATE(xas, &mapping->i_pages, start >> PAGE_SHIFT);
+	pgoff_t max = (end - 1) >> PAGE_SHIFT;
 	bool seek_data = (whence == SEEK_DATA);
 	struct page *page;
 
@@ -2697,7 +2697,7 @@ loff_t mapping_seek_hole_data(struct add
 		}
 
 		seek_size = seek_page_size(&xas, page);
-		pos = round_up((u64)pos + 1, seek_size);
+		pos = round_up(pos + 1, seek_size);
 		start = page_seek_hole_data(&xas, mapping, page, start, pos,
 				seek_data);
 		if (start < pos)
@@ -2705,7 +2705,7 @@ loff_t mapping_seek_hole_data(struct add
 		if (start >= end)
 			break;
 		if (seek_size > PAGE_SIZE)
-			xas_set(&xas, (u64)pos >> PAGE_SHIFT);
+			xas_set(&xas, pos >> PAGE_SHIFT);
 		if (!xa_is_value(page))
 			put_page(page);
 	}
_

Patches currently in -mm which might be from hughd@google.com are

mm-filemap-fix-find_lock_entries-hang-on-32-bit-thp.patch
mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit.patch
mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2.patch
mm-restore-node-stat-checking-in-proc-sys-vm-stat_refresh.patch
mm-no-more-einval-from-proc-sys-vm-stat_refresh.patch
mm-proc-sys-vm-stat_refresh-skip-checking-known-negative-stats.patch
mm-proc-sys-vm-stat_refresh-stop-checking-monotonic-numa-stats.patch


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2021-04-22 23:03 + mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit-v2.patch added to -mm tree akpm

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