From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
akpm@linux-foundation.org, hughd@google.com, hch@lst.de,
hannes@cmpxchg.org, yang.shi@linux.alibaba.com,
dchinner@redhat.com, linux-kernel@vger.kernel.org,
Jan Kara <jack@suse.cz>,
William Kucharski <william.kucharski@oracle.com>
Subject: [PATCH v4 12/16] mm: Remove nr_entries parameter from pagevec_lookup_entries
Date: Thu, 12 Nov 2020 21:26:37 +0000 [thread overview]
Message-ID: <20201112212641.27837-13-willy@infradead.org> (raw)
In-Reply-To: <20201112212641.27837-1-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 5c2c12e3581e..9a562f7fd200 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1100,9 +1100,9 @@ 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 dcaee659fe1a..50d160700b7d 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:[~2020-11-12 21:26 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 21:26 [PATCH v4 00/16] Overhaul multi-page lookups for THP Matthew Wilcox (Oracle)
2020-11-12 21:26 ` [PATCH v4 01/16] mm: Make pagecache tagged lookups return only head pages Matthew Wilcox (Oracle)
2020-11-14 9:53 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 02/16] mm/shmem: Use pagevec_lookup in shmem_unlock_mapping Matthew Wilcox (Oracle)
2020-11-14 9:53 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 03/16] mm/swap: Optimise get_shadow_from_swap_cache Matthew Wilcox (Oracle)
2020-11-14 9:53 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 04/16] mm: Add FGP_ENTRY Matthew Wilcox (Oracle)
2020-11-14 10:00 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 05/16] mm/filemap: Rename find_get_entry to mapping_get_entry Matthew Wilcox (Oracle)
2020-11-14 10:01 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 06/16] mm/filemap: Add helper for finding pages Matthew Wilcox (Oracle)
2020-11-14 10:03 ` Christoph Hellwig
2020-11-14 15:15 ` Matthew Wilcox
2020-11-12 21:26 ` [PATCH v4 07/16] mm/filemap: Add mapping_seek_hole_data Matthew Wilcox (Oracle)
2020-11-14 10:04 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 08/16] iomap: Use mapping_seek_hole_data Matthew Wilcox (Oracle)
2020-11-14 10:06 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 09/16] mm: Add and use find_lock_entries Matthew Wilcox (Oracle)
2020-11-14 10:07 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 10/16] mm: Add an 'end' parameter to find_get_entries Matthew Wilcox (Oracle)
2020-11-14 10:08 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 11/16] mm: Add an 'end' parameter to pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-11-14 10:19 ` Christoph Hellwig
2020-11-12 21:26 ` Matthew Wilcox (Oracle) [this message]
2020-11-14 10:19 ` [PATCH v4 12/16] mm: Remove nr_entries parameter from pagevec_lookup_entries Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 13/16] mm: Pass pvec directly to find_get_entries Matthew Wilcox (Oracle)
2020-11-14 10:21 ` Christoph Hellwig
2020-11-14 15:22 ` Matthew Wilcox
2020-11-12 21:26 ` [PATCH v4 14/16] mm: Remove pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-11-14 10:22 ` Christoph Hellwig
2020-11-12 21:26 ` [PATCH v4 15/16] mm/truncate,shmem: Handle truncates that split THPs Matthew Wilcox (Oracle)
2020-11-12 21:26 ` [PATCH v4 16/16] mm/filemap: Return only head pages from find_get_entries Matthew Wilcox (Oracle)
2020-11-14 10:23 ` Christoph Hellwig
2020-11-16 10:34 ` [PATCH v4 00/16] Overhaul multi-page lookups for THP Hugh Dickins
2020-11-16 15:14 ` Matthew Wilcox
2020-11-16 21:27 ` Hugh Dickins
2020-11-17 15:39 ` Matthew Wilcox
2020-11-17 16:26 ` Hugh Dickins
2020-11-17 19:15 ` Matthew Wilcox
2020-11-17 23:43 ` Matthew Wilcox
2020-11-25 2:32 ` Matthew Wilcox
2020-11-25 2:50 ` Hugh Dickins
2020-11-25 2:56 ` Hugh Dickins
2020-11-25 23:08 ` Andrew Morton
2020-11-26 0:11 ` Hugh Dickins
2020-11-26 12:15 ` Matthew Wilcox
2020-11-26 19:24 ` Hugh Dickins
2020-11-26 20:07 ` Matthew Wilcox
2020-11-30 19:45 ` Hugh Dickins
2020-12-01 4:52 ` Hugh Dickins
[not found] ` <CGME20201203154604eucas1p200d001d25dd344a1dd1c7da34f35aad0@eucas1p2.samsung.com>
2020-12-03 15:46 ` Marek Szyprowski
[not found] ` <CGME20201203172725eucas1p2fddec1d269c55095859d490942b78b93@eucas1p2.samsung.com>
2020-12-03 17:27 ` Marek Szyprowski
2020-12-03 21:27 ` Qian Cai
2020-12-03 22:19 ` Hugh Dickins
2020-12-03 21:45 ` Hugh Dickins
2021-02-23 22:58 ` Andrew Morton
2021-02-23 23:27 ` Matthew Wilcox
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