From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-mm@kvack.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Yang Shi <yang.shi@linux.alibaba.com>,
Dave Chinner <dchinner@redhat.com>,
linux-kernel@vger.kernel.org, Jan Kara <jack@suse.cz>,
William Kucharski <william.kucharski@oracle.com>
Subject: [PATCH v3 08/12] mm: Remove nr_entries parameter from pagevec_lookup_entries
Date: Mon, 26 Oct 2020 04:14:04 +0000 [thread overview]
Message-ID: <20201026041408.25230-9-willy@infradead.org> (raw)
In-Reply-To: <20201026041408.25230-1-willy@infradead.org>
All callers want to fetch the full size of the pvec.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
---
include/linux/pagevec.h | 2 +-
mm/swap.c | 4 ++--
mm/truncate.c | 5 ++---
3 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 4b245592262c..ce77724a2ab7 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -27,7 +27,7 @@ void __pagevec_release(struct pagevec *pvec);
void __pagevec_lru_add(struct pagevec *pvec);
unsigned pagevec_lookup_entries(struct pagevec *pvec,
struct address_space *mapping, pgoff_t start, pgoff_t end,
- unsigned nr_entries, pgoff_t *indices);
+ pgoff_t *indices);
void pagevec_remove_exceptionals(struct pagevec *pvec);
unsigned pagevec_lookup_range(struct pagevec *pvec,
struct address_space *mapping,
diff --git a/mm/swap.c b/mm/swap.c
index d4d0c54d6ec9..31653152f55d 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1097,9 +1097,9 @@ void __pagevec_lru_add(struct pagevec *pvec)
*/
unsigned pagevec_lookup_entries(struct pagevec *pvec,
struct address_space *mapping, pgoff_t start, pgoff_t end,
- unsigned nr_entries, pgoff_t *indices)
+ pgoff_t *indices)
{
- pvec->nr = find_get_entries(mapping, start, end, nr_entries,
+ pvec->nr = find_get_entries(mapping, start, end, PAGEVEC_SIZE,
pvec->pages, indices);
return pagevec_count(pvec);
}
diff --git a/mm/truncate.c b/mm/truncate.c
index ec43312f4756..c4a3c9d6a0c1 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -377,7 +377,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
for ( ; ; ) {
cond_resched();
if (!pagevec_lookup_entries(&pvec, mapping, index, end - 1,
- PAGEVEC_SIZE, indices)) {
+ indices)) {
/* If all gone from start onwards, we're done */
if (index == start)
break;
@@ -632,8 +632,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
pagevec_init(&pvec);
index = start;
- while (pagevec_lookup_entries(&pvec, mapping, index, end,
- PAGEVEC_SIZE, indices)) {
+ while (pagevec_lookup_entries(&pvec, mapping, index, end, indices)) {
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *page = pvec.pages[i];
--
2.28.0
next prev parent reply other threads:[~2020-10-26 4:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-26 4:13 [PATCH v3 00/12] Overhaul multi-page lookups for THP Matthew Wilcox (Oracle)
2020-10-26 4:13 ` [PATCH v3 01/12] mm: Make pagecache tagged lookups return only head pages Matthew Wilcox (Oracle)
2020-10-28 7:50 ` Mike Rapoport
2020-11-12 17:41 ` Matthew Wilcox
2020-11-12 19:11 ` Mike Rapoport
2020-10-26 4:13 ` [PATCH v3 02/12] mm/shmem: Use pagevec_lookup in shmem_unlock_mapping Matthew Wilcox (Oracle)
2020-10-26 4:13 ` [PATCH v3 03/12] mm/filemap: Add helper for finding pages Matthew Wilcox (Oracle)
2020-10-27 18:56 ` Christoph Hellwig
2020-11-12 14:25 ` Matthew Wilcox
2020-10-26 4:14 ` [PATCH v3 04/12] mm/filemap: Add mapping_seek_hole_data Matthew Wilcox (Oracle)
2020-10-26 10:48 ` Jan Kara
2020-10-26 12:17 ` Matthew Wilcox
2020-10-26 14:49 ` Jan Kara
2020-10-27 18:58 ` Christoph Hellwig
2020-10-27 20:04 ` Matthew Wilcox
2020-10-28 6:40 ` Christoph Hellwig
2020-10-26 4:14 ` [PATCH v3 05/12] mm: Add and use find_lock_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 06/12] mm: Add an 'end' parameter to find_get_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 07/12] mm: Add an 'end' parameter to pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` Matthew Wilcox (Oracle) [this message]
2020-10-26 4:14 ` [PATCH v3 09/12] mm: Pass pvec directly to find_get_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 10/12] mm: Remove pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 11/12] mm/truncate,shmem: Handle truncates that split THPs Matthew Wilcox (Oracle)
2020-10-26 11:05 ` Jan Kara
2020-10-26 4:14 ` [PATCH v3 12/12] mm/filemap: Return only head pages from find_get_entries Matthew Wilcox (Oracle)
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