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From: Andrew Morton <akpm@linux-foundation.org>
To: darrick.wong@oracle.com, dchinner@redhat.com,
	ebiggers@google.com, gaoxiang25@huawei.com, hch@lst.de,
	jaegeuk@kernel.org, jhubbard@nvidia.com,
	joseph.qi@linux.alibaba.com, junxiao.bi@oracle.com,
	mhocko@suse.com, mm-commits@vger.kernel.org,
	william.kucharski@oracle.com, willy@infradead.org,
	xiyou.wangcong@gmail.com, yuchao0@huawei.com, ziy@nvidia.com
Subject: + iomap-convert-from-readpages-to-readahead.patch added to -mm tree
Date: Tue, 14 Apr 2020 18:18:40 -0700
Message-ID: <20200415011840.RhndRrzLl%akpm@linux-foundation.org> (raw)
In-Reply-To: <20200412004155.1a8f4e081b4e03ef5903abb5@linux-foundation.org>


The patch titled
     Subject: iomap: convert from readpages to readahead
has been added to the -mm tree.  Its filename is
     iomap-convert-from-readpages-to-readahead.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/iomap-convert-from-readpages-to-readahead.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/iomap-convert-from-readpages-to-readahead.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: iomap: convert from readpages to readahead

Use the new readahead operation in iomap.  Convert XFS and ZoneFS to use
it.

Link: http://lkml.kernel.org/r/20200414150233.24495-26-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Gao Xiang <gaoxiang25@huawei.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/iomap/buffered-io.c |   92 +++++++++++++--------------------------
 fs/iomap/trace.h       |    2 
 fs/xfs/xfs_aops.c      |   13 ++---
 fs/zonefs/super.c      |    7 +-
 include/linux/iomap.h  |    3 -
 5 files changed, 42 insertions(+), 75 deletions(-)

--- a/fs/iomap/buffered-io.c~iomap-convert-from-readpages-to-readahead
+++ a/fs/iomap/buffered-io.c
@@ -214,9 +214,8 @@ iomap_read_end_io(struct bio *bio)
 struct iomap_readpage_ctx {
 	struct page		*cur_page;
 	bool			cur_page_in_bio;
-	bool			is_readahead;
 	struct bio		*bio;
-	struct list_head	*pages;
+	struct readahead_control *rac;
 };
 
 static void
@@ -308,7 +307,7 @@ iomap_readpage_actor(struct inode *inode
 		if (ctx->bio)
 			submit_bio(ctx->bio);
 
-		if (ctx->is_readahead) /* same as readahead_gfp_mask */
+		if (ctx->rac) /* same as readahead_gfp_mask */
 			gfp |= __GFP_NORETRY | __GFP_NOWARN;
 		ctx->bio = bio_alloc(gfp, min(BIO_MAX_PAGES, nr_vecs));
 		/*
@@ -319,7 +318,7 @@ iomap_readpage_actor(struct inode *inode
 		if (!ctx->bio)
 			ctx->bio = bio_alloc(orig_gfp, 1);
 		ctx->bio->bi_opf = REQ_OP_READ;
-		if (ctx->is_readahead)
+		if (ctx->rac)
 			ctx->bio->bi_opf |= REQ_RAHEAD;
 		ctx->bio->bi_iter.bi_sector = sector;
 		bio_set_dev(ctx->bio, iomap->bdev);
@@ -375,36 +374,8 @@ iomap_readpage(struct page *page, const
 }
 EXPORT_SYMBOL_GPL(iomap_readpage);
 
-static struct page *
-iomap_next_page(struct inode *inode, struct list_head *pages, loff_t pos,
-		loff_t length, loff_t *done)
-{
-	while (!list_empty(pages)) {
-		struct page *page = lru_to_page(pages);
-
-		if (page_offset(page) >= (u64)pos + length)
-			break;
-
-		list_del(&page->lru);
-		if (!add_to_page_cache_lru(page, inode->i_mapping, page->index,
-				GFP_NOFS))
-			return page;
-
-		/*
-		 * If we already have a page in the page cache at index we are
-		 * done.  Upper layers don't care if it is uptodate after the
-		 * readpages call itself as every page gets checked again once
-		 * actually needed.
-		 */
-		*done += PAGE_SIZE;
-		put_page(page);
-	}
-
-	return NULL;
-}
-
 static loff_t
-iomap_readpages_actor(struct inode *inode, loff_t pos, loff_t length,
+iomap_readahead_actor(struct inode *inode, loff_t pos, loff_t length,
 		void *data, struct iomap *iomap, struct iomap *srcmap)
 {
 	struct iomap_readpage_ctx *ctx = data;
@@ -418,10 +389,7 @@ iomap_readpages_actor(struct inode *inod
 			ctx->cur_page = NULL;
 		}
 		if (!ctx->cur_page) {
-			ctx->cur_page = iomap_next_page(inode, ctx->pages,
-					pos, length, &done);
-			if (!ctx->cur_page)
-				break;
+			ctx->cur_page = readahead_page(ctx->rac);
 			ctx->cur_page_in_bio = false;
 		}
 		ret = iomap_readpage_actor(inode, pos + done, length - done,
@@ -431,32 +399,43 @@ iomap_readpages_actor(struct inode *inod
 	return done;
 }
 
-int
-iomap_readpages(struct address_space *mapping, struct list_head *pages,
-		unsigned nr_pages, const struct iomap_ops *ops)
-{
+/**
+ * iomap_readahead - Attempt to read pages from a file.
+ * @rac: Describes the pages to be read.
+ * @ops: The operations vector for the filesystem.
+ *
+ * This function is for filesystems to call to implement their readahead
+ * address_space operation.
+ *
+ * Context: The @ops callbacks may submit I/O (eg to read the addresses of
+ * blocks from disc), and may wait for it.  The caller may be trying to
+ * access a different page, and so sleeping excessively should be avoided.
+ * It may allocate memory, but should avoid costly allocations.  This
+ * function is called with memalloc_nofs set, so allocations will not cause
+ * the filesystem to be reentered.
+ */
+void iomap_readahead(struct readahead_control *rac, const struct iomap_ops *ops)
+{
+	struct inode *inode = rac->mapping->host;
+	loff_t pos = readahead_pos(rac);
+	loff_t length = readahead_length(rac);
 	struct iomap_readpage_ctx ctx = {
-		.pages		= pages,
-		.is_readahead	= true,
+		.rac	= rac,
 	};
-	loff_t pos = page_offset(list_entry(pages->prev, struct page, lru));
-	loff_t last = page_offset(list_entry(pages->next, struct page, lru));
-	loff_t length = last - pos + PAGE_SIZE, ret = 0;
 
-	trace_iomap_readpages(mapping->host, nr_pages);
+	trace_iomap_readahead(inode, readahead_count(rac));
 
 	while (length > 0) {
-		ret = iomap_apply(mapping->host, pos, length, 0, ops,
-				&ctx, iomap_readpages_actor);
+		loff_t ret = iomap_apply(inode, pos, length, 0, ops,
+				&ctx, iomap_readahead_actor);
 		if (ret <= 0) {
 			WARN_ON_ONCE(ret == 0);
-			goto done;
+			break;
 		}
 		pos += ret;
 		length -= ret;
 	}
-	ret = 0;
-done:
+
 	if (ctx.bio)
 		submit_bio(ctx.bio);
 	if (ctx.cur_page) {
@@ -464,15 +443,8 @@ done:
 			unlock_page(ctx.cur_page);
 		put_page(ctx.cur_page);
 	}
-
-	/*
-	 * Check that we didn't lose a page due to the arcance calling
-	 * conventions..
-	 */
-	WARN_ON_ONCE(!ret && !list_empty(ctx.pages));
-	return ret;
 }
-EXPORT_SYMBOL_GPL(iomap_readpages);
+EXPORT_SYMBOL_GPL(iomap_readahead);
 
 /*
  * iomap_is_partially_uptodate checks whether blocks within a page are
--- a/fs/iomap/trace.h~iomap-convert-from-readpages-to-readahead
+++ a/fs/iomap/trace.h
@@ -39,7 +39,7 @@ DEFINE_EVENT(iomap_readpage_class, name,
 	TP_PROTO(struct inode *inode, int nr_pages), \
 	TP_ARGS(inode, nr_pages))
 DEFINE_READPAGE_EVENT(iomap_readpage);
-DEFINE_READPAGE_EVENT(iomap_readpages);
+DEFINE_READPAGE_EVENT(iomap_readahead);
 
 DECLARE_EVENT_CLASS(iomap_range_class,
 	TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),
--- a/fs/xfs/xfs_aops.c~iomap-convert-from-readpages-to-readahead
+++ a/fs/xfs/xfs_aops.c
@@ -621,14 +621,11 @@ xfs_vm_readpage(
 	return iomap_readpage(page, &xfs_read_iomap_ops);
 }
 
-STATIC int
-xfs_vm_readpages(
-	struct file		*unused,
-	struct address_space	*mapping,
-	struct list_head	*pages,
-	unsigned		nr_pages)
+STATIC void
+xfs_vm_readahead(
+	struct readahead_control	*rac)
 {
-	return iomap_readpages(mapping, pages, nr_pages, &xfs_read_iomap_ops);
+	iomap_readahead(rac, &xfs_read_iomap_ops);
 }
 
 static int
@@ -644,7 +641,7 @@ xfs_iomap_swapfile_activate(
 
 const struct address_space_operations xfs_address_space_operations = {
 	.readpage		= xfs_vm_readpage,
-	.readpages		= xfs_vm_readpages,
+	.readahead		= xfs_vm_readahead,
 	.writepage		= xfs_vm_writepage,
 	.writepages		= xfs_vm_writepages,
 	.set_page_dirty		= iomap_set_page_dirty,
--- a/fs/zonefs/super.c~iomap-convert-from-readpages-to-readahead
+++ a/fs/zonefs/super.c
@@ -78,10 +78,9 @@ static int zonefs_readpage(struct file *
 	return iomap_readpage(page, &zonefs_iomap_ops);
 }
 
-static int zonefs_readpages(struct file *unused, struct address_space *mapping,
-			    struct list_head *pages, unsigned int nr_pages)
+static void zonefs_readahead(struct readahead_control *rac)
 {
-	return iomap_readpages(mapping, pages, nr_pages, &zonefs_iomap_ops);
+	iomap_readahead(rac, &zonefs_iomap_ops);
 }
 
 /*
@@ -128,7 +127,7 @@ static int zonefs_writepages(struct addr
 
 static const struct address_space_operations zonefs_file_aops = {
 	.readpage		= zonefs_readpage,
-	.readpages		= zonefs_readpages,
+	.readahead		= zonefs_readahead,
 	.writepage		= zonefs_writepage,
 	.writepages		= zonefs_writepages,
 	.set_page_dirty		= iomap_set_page_dirty,
--- a/include/linux/iomap.h~iomap-convert-from-readpages-to-readahead
+++ a/include/linux/iomap.h
@@ -155,8 +155,7 @@ loff_t iomap_apply(struct inode *inode,
 ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from,
 		const struct iomap_ops *ops);
 int iomap_readpage(struct page *page, const struct iomap_ops *ops);
-int iomap_readpages(struct address_space *mapping, struct list_head *pages,
-		unsigned nr_pages, const struct iomap_ops *ops);
+void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops);
 int iomap_set_page_dirty(struct page *page);
 int iomap_is_partially_uptodate(struct page *page, unsigned long from,
 		unsigned long count);
_

Patches currently in -mm which might be from willy@infradead.org are

mm-move-readahead-prototypes-from-mmh.patch
mm-return-void-from-various-readahead-functions.patch
mm-ignore-return-value-of-readpages.patch
mm-move-readahead-nr_pages-check-into-read_pages.patch
mm-add-new-readahead_control-api.patch
mm-use-readahead_control-to-pass-arguments.patch
mm-rename-various-offset-parameters-to-index.patch
mm-rename-readahead-loop-variable-to-i.patch
mm-remove-page_offset-from-readahead-loop.patch
mm-put-readahead-pages-in-cache-earlier.patch
mm-add-readahead-address-space-operation.patch
mm-move-end_index-check-out-of-readahead-loop.patch
mm-add-page_cache_readahead_unbounded.patch
mm-document-why-we-dont-set-pagereadahead.patch
mm-use-memalloc_nofs_save-in-readahead-path.patch
fs-convert-mpage_readpages-to-mpage_readahead.patch
btrfs-convert-from-readpages-to-readahead.patch
erofs-convert-uncompressed-files-from-readpages-to-readahead.patch
erofs-convert-compressed-files-from-readpages-to-readahead.patch
ext4-convert-from-readpages-to-readahead.patch
ext4-pass-the-inode-to-ext4_mpage_readpages.patch
f2fs-convert-from-readpages-to-readahead.patch
f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch
fuse-convert-from-readpages-to-readahead.patch
iomap-convert-from-readpages-to-readahead.patch

  parent reply index

Thread overview: 140+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-12  7:41 incoming Andrew Morton
2020-04-12  7:42 ` [patch 1/1] mm/debug: add tests validating architecture page table helpers Andrew Morton
2020-04-13 20:01 ` + mm-userfaultfd-disable-userfaultfd-wp-on-x86_32.patch added to -mm tree Andrew Morton
2020-04-13 20:08 ` + maintainers-add-an-entry-for-kfifo-fix.patch " Andrew Morton
2020-04-13 20:11 ` + m68k-drop-redundant-generic-y-=-hardirqh.patch " Andrew Morton
2020-04-13 20:12 ` + userc-make-uidhash_table-static.patch " Andrew Morton
2020-04-13 20:34 ` + sh-fix-build-error-in-mm-initc.patch " Andrew Morton
2020-04-13 20:51 ` + mm-hugetlb-fix-a-addressing-exception-caused-by-huge_pte_offset.patch " Andrew Morton
2020-04-13 21:16 ` + checkpatch-additional-maintainer-section-entry-ordering-checks.patch " Andrew Morton
2020-04-13 22:27 ` + fat-improve-the-readahead-for-fat-entries.patch " Andrew Morton
2020-04-13 22:32 ` + mm-swapfile-use-list_prevnext_entry-instead-of-open-coding.patch " Andrew Morton
2020-04-13 22:33 ` + mm-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-04-13 22:36 ` + mm-vmsan-fix-some-typos-in-comment.patch " Andrew Morton
2020-04-13 22:38 ` + mm-compaction-fix-a-typo-in-comment-pessemistic-pessimistic.patch " Andrew Morton
2020-04-13 22:38 ` + mm-memblock-fix-a-typo-in-comment-implict-implicit.patch " Andrew Morton
2020-04-13 22:38 ` + mm-list_lru-fix-a-typo-in-comment-numbesr-numbers.patch " Andrew Morton
2020-04-13 22:50 ` + mm-filemap-fix-a-typo-in-comment-unneccssary-unnecessary.patch " Andrew Morton
2020-04-13 22:51 ` + mm-frontswap-fix-some-typos-in-frontswapc.patch " Andrew Morton
2020-04-13 22:51 ` + mm-memcg-fix-some-typos-in-memcontrolc.patch " Andrew Morton
2020-04-13 22:51 ` + mm-fix-a-typo-in-comment-strucure-structure.patch " Andrew Morton
2020-04-13 23:07 ` + mm-slub-fix-a-typo-in-comment-disambiguiation-disambiguation.patch " Andrew Morton
2020-04-13 23:07 ` + mm-sparse-fix-a-typo-in-comment-convienence-convenience.patch " Andrew Morton
2020-04-13 23:07 ` + mm-page-writeback-fix-a-typo-in-comment-effictive-effective.patch " Andrew Morton
2020-04-13 23:07 ` + mm-memory-fix-a-typo-in-comment-attampt-attempt.patch " Andrew Morton
2020-04-14  0:25 ` + mm-memblock-replace-dereferences-of-memblock_regionnid-with-api-calls.patch " Andrew Morton
2020-04-14  0:25 ` + mm-make-early_pfn_to_nid-and-related-defintions-close-to-each-other.patch " Andrew Morton
2020-04-14  0:25 ` + mm-remove-config_have_memblock_node_map-option.patch " Andrew Morton
2020-04-14  0:25 ` + mm-free_area_init-use-maximal-zone-pfns-rather-than-zone-sizes.patch " Andrew Morton
2020-04-14  0:25 ` + mm-use-free_area_init-instead-of-free_area_init_nodes.patch " Andrew Morton
2020-04-14  0:26 ` + alpha-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + arm-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + arm64-simplify-detection-of-memory-zone-boundaries-for-uma-configs.patch " Andrew Morton
2020-04-14  0:26 ` + csky-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + m68k-mm-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + parisc-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + sparc32-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + unicore32-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + xtensa-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + mm-memmap_init-iterate-over-memblock-regions-rather-that-check-each-pfn.patch " Andrew Morton
2020-04-14  0:26 ` + mm-remove-early_pfn_in_nid-and-config_nodes_span_other_nodes.patch " Andrew Morton
2020-04-14  0:26 ` + mm-free_area_init-allow-defining-max_zone_pfn-in-descending-order.patch " Andrew Morton
2020-04-14  0:26 ` + mm-rename-free_area_init_node-to-free_area_init_memoryless_node.patch " Andrew Morton
2020-04-14  0:26 ` + mm-clean-up-free_area_init_node-and-its-helpers.patch " Andrew Morton
2020-04-14  0:26 ` + mm-simplify-find_min_pfn_with_active_regions.patch " Andrew Morton
2020-04-14  0:27 ` + docs-vm-update-memory-models-documentation.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-bad_-is-not-necessary-when-pagehwpoison.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-bad_flags-is-not-necessary-for-bad_page.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-rename-free_pages_check_bad-to-check_free_page_bad.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-rename-free_pages_check-to-check_free_page.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-extract-check__page_bad-common-part-to-page_bad_reason.patch " Andrew Morton
2020-04-14  0:52 ` + dynamic_debug-add-an-option-to-enable-dynamic-debug-for-modules-only.patch " Andrew Morton
2020-04-14  1:09 ` + mm-gup-return-eintr-when-gup-is-interrupted-by-fatal-signals.patch " Andrew Morton
2020-04-14  1:37 ` + squashfs-squashfs_fsh-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-04-14  1:37 ` + squashfs-migrate-from-ll_rw_block-usage-to-bio.patch " Andrew Morton
2020-04-14  1:39 ` + checkpatch-fix-a-typo-in-the-regex-for-allocfunctions.patch " Andrew Morton
2020-04-14  2:06 ` + powerpc-pseries-hotplug-memory-stop-checking-is_mem_section_removable.patch " Andrew Morton
2020-04-14  2:06 ` + mm-memory_hotplug-remove-is_mem_section_removable.patch " Andrew Morton
2020-04-14  2:13 ` [folded-merged] mm-clarify-__gfp_memalloc-usage-update.patch removed from " Andrew Morton
2020-04-14  2:13 ` [folded-merged] mm-clarify-__gfp_memalloc-usage-update-checkpatch-fixes.patch " Andrew Morton
2020-04-14 22:30 ` + maintainers-add-an-entry-for-kfifo-fix-fix.patch added to " Andrew Morton
2020-04-14 23:10 ` + mm-hugetlb-fix-a-typo-in-comment-manitained-maintained-v2.patch " Andrew Morton
2020-04-14 23:11 ` + mm-hugetlb-fix-a-typo-in-comment-manitained-maintained-v2-checkpatch-fixes.patch " Andrew Morton
2020-04-14 23:11 ` + mm-ksm-fix-a-typo-in-comment-alreaady-already-v2.patch " Andrew Morton
2020-04-14 23:56 ` + lib-add-might_fault-to-strncpy_from_user.patch " Andrew Morton
2020-04-15  0:00 ` + tools-build-tweak-unused-value-workaround.patch " Andrew Morton
2020-04-15  0:39 ` + h8300-remove-usage-of-__arch_use_5level_hack.patch " Andrew Morton
2020-04-15  0:39 ` + arm-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:39 ` + arm64-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:39 ` + hexagon-remove-__arch_use_5level_hack.patch " Andrew Morton
2020-04-15  0:39 ` + ia64-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:39 ` + nios2-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + openrisc-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + powerpc-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + sh-fault-modernize-printing-of-kernel-messages.patch " Andrew Morton
2020-04-15  0:40 ` + sh-drop-__pxd_offset-macros-that-duplicate-pxd_index-ones.patch " Andrew Morton
2020-04-15  0:40 ` + sh-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + unicore32-remove-__arch_use_5level_hack.patch " Andrew Morton
2020-04-15  0:40 ` + asm-generic-remove-pgtable-nop4d-hackh.patch " Andrew Morton
2020-04-15  0:40 ` + mm-remove-__arch_has_5level_hack-and-include-asm-generic-5level-fixuph.patch " Andrew Morton
2020-04-15  1:17 ` + mm-move-readahead-prototypes-from-mmh.patch " Andrew Morton
2020-04-15  1:17 ` + mm-return-void-from-various-readahead-functions.patch " Andrew Morton
2020-04-15  1:17 ` + mm-ignore-return-value-of-readpages.patch " Andrew Morton
2020-04-15  1:17 ` + mm-move-readahead-nr_pages-check-into-read_pages.patch " Andrew Morton
2020-04-15  1:17 ` + mm-add-new-readahead_control-api.patch " Andrew Morton
2020-04-15  1:17 ` + mm-use-readahead_control-to-pass-arguments.patch " Andrew Morton
2020-04-15  1:17 ` + mm-rename-various-offset-parameters-to-index.patch " Andrew Morton
2020-04-15  1:17 ` + mm-rename-readahead-loop-variable-to-i.patch " Andrew Morton
2020-04-15  1:17 ` + mm-remove-page_offset-from-readahead-loop.patch " Andrew Morton
2020-04-15  1:17 ` + mm-put-readahead-pages-in-cache-earlier.patch " Andrew Morton
2020-04-15  1:17 ` + mm-add-readahead-address-space-operation.patch " Andrew Morton
2020-04-15  1:17 ` + mm-move-end_index-check-out-of-readahead-loop.patch " Andrew Morton
2020-04-15  1:18 ` + mm-add-page_cache_readahead_unbounded.patch " Andrew Morton
2020-04-15  1:18 ` + mm-document-why-we-dont-set-pagereadahead.patch " Andrew Morton
2020-04-15  1:18 ` + mm-use-memalloc_nofs_save-in-readahead-path.patch " Andrew Morton
2020-04-15  1:18 ` + fs-convert-mpage_readpages-to-mpage_readahead.patch " Andrew Morton
2020-04-15  1:18 ` + btrfs-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + erofs-convert-uncompressed-files-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + erofs-convert-compressed-files-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + ext4-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + ext4-pass-the-inode-to-ext4_mpage_readpages.patch " Andrew Morton
2020-04-15  1:18 ` + f2fs-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch " Andrew Morton
2020-04-15  1:18 ` + fuse-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` Andrew Morton [this message]
2020-04-15  1:54 ` + mm-ksm-fix-null-pointer-dereference-when-ksm-zero-page-is-enabled.patch " Andrew Morton
     [not found]   ` <49e65ca7-03a2-9a82-9e1a-cf997320bcfd@virtuozzo.com>
     [not found]     ` <CAMZfGtWwE_9uSH9Vw+W2yJJhMo4BfWHx_PME+HD5h3r+A3zXeg@mail.gmail.com>
2020-04-15 18:32       ` [External] " Andrew Morton
2020-04-15  4:29 ` + mm-gupc-further-document-vma_permits_fault.patch " Andrew Morton
2020-04-15  4:33 ` + fuse-convert-from-readpages-to-readahead-fix.patch " Andrew Morton
2020-04-15  4:46 ` + x86-hyperv-use-vmalloc_exec-for-the-hypercall-page.patch " Andrew Morton
2020-04-15  4:46 ` + x86-fix-vmap-arguments-in-map_irq_stack.patch " Andrew Morton
2020-04-15  4:46 ` + staging-android-ion-use-vmap-instead-of-vm_map_ram.patch " Andrew Morton
2020-04-15  4:46 ` + staging-media-ipu3-use-vmap-instead-of-reimplementing-it.patch " Andrew Morton
2020-04-15  4:46 ` + dma-mapping-use-vmap-insted-of-reimplementing-it.patch " Andrew Morton
2020-04-15  4:46 ` + powerpc-add-an-ioremap_phb-helper.patch " Andrew Morton
2020-04-15  4:46 ` + powerpc-remove-__ioremap_at-and-__iounmap_at.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-__get_vm_area.patch " Andrew Morton
2020-04-15  4:47 ` + mm-unexport-unmap_kernel_range_noflush.patch " Andrew Morton
2020-04-15  4:47 ` + mm-rename-config_pgtable_mapping-to-config_zsmalloc_pgtable_mapping.patch " Andrew Morton
2020-04-15  4:47 ` + mm-only-allow-page-table-mappings-for-built-in-zsmalloc.patch " Andrew Morton
2020-04-15  4:47 ` + mm-pass-addr-as-unsigned-long-to-vb_free.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-vmap_page_range_noflush-and-vunmap_page_range.patch " Andrew Morton
2020-04-15  4:47 ` + mm-rename-vmap_page_range-to-map_kernel_range.patch " Andrew Morton
2020-04-15  4:47 ` + mm-dont-return-the-number-of-pages-from-map_kernel_range_noflush.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-map_vm_range.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-unmap_vmap_area.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-the-prot-argument-from-vm_map_ram.patch " Andrew Morton
2020-04-15  4:47 ` + mm-enforce-that-vmap-cant-map-pages-executable.patch " Andrew Morton
2020-04-15  4:47 ` + gpu-drm-remove-the-powerpc-hack-in-drm_legacy_sg_alloc.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-the-pgprot-argument-to-__vmalloc.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-the-prot-argument-to-__vmalloc_node.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-both-instances-of-__vmalloc_node_flags.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-__vmalloc_node_flags_caller.patch " Andrew Morton
2020-04-15  4:48 ` + mm-switch-the-test_vmalloc-module-to-use-__vmalloc_node.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-vmalloc_user_node_flags.patch " Andrew Morton
2020-04-15  4:48 ` + arm64-use-__vmalloc_node-in-arch_alloc_vmap_stack.patch " Andrew Morton
2020-04-15  4:48 ` + powerpc-use-__vmalloc_node-in-alloc_vm_stack.patch " Andrew Morton
2020-04-15  4:48 ` + s390-use-__vmalloc_node-in-stack_alloc.patch " Andrew Morton
2020-04-15 17:44 ` + test_firmware-remove-unnecessary-test_fw_mutex-in-test_dev_config_show_xxx.patch " Andrew Morton
2020-04-15 18:12 ` + slub-avoid-redzone-when-choosing-freepointer-location.patch " Andrew Morton
2020-04-15 18:41 ` + mm-shmem-fix-build-without-thp.patch " Andrew Morton

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