linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: akpm@linux-foundation.org, darrick.wong@oracle.com,
	dchinner@redhat.com, ebiggers@google.com, gaoxiang25@huawei.com,
	hch@lst.de, jaegeuk@kernel.org, jhubbard@nvidia.com,
	johannes.thumshirn@wdc.com, joseph.qi@linux.alibaba.com,
	junxiao.bi@oracle.com, linux-mm@kvack.org, mhocko@suse.com,
	mm-commits@vger.kernel.org, mszeredi@redhat.com,
	torvalds@linux-foundation.org, william.kucharski@oracle.com,
	willy@infradead.org, xiyou.wangcong@gmail.com,
	yuchao0@huawei.com, ziy@nvidia.com
Subject: [patch 038/128] iomap: convert from readpages to readahead
Date: Mon, 01 Jun 2020 21:47:34 -0700	[thread overview]
Message-ID: <20200602044734.pWac1TQI7%akpm@linux-foundation.org> (raw)
In-Reply-To: <20200601214457.919c35648e96a2b46b573fe1@linux-foundation.org>

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>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Miklos Szeredi <mszeredi@redhat.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);
_


  parent reply	other threads:[~2020-06-02  4:47 UTC|newest]

Thread overview: 137+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-02  4:44 incoming Andrew Morton
2020-06-02  4:45 ` [patch 001/128] squashfs: migrate from ll_rw_block usage to BIO Andrew Morton
2020-06-02  4:45 ` [patch 002/128] ocfs2: add missing annotation for dlm_empty_lockres() Andrew Morton
2020-06-02  4:45 ` [patch 003/128] ocfs2: mount shared volume without ha stack Andrew Morton
2020-06-02  4:45 ` [patch 004/128] arch/parisc/include/asm/pgtable.h: remove unused `old_pte' Andrew Morton
2020-06-02  4:45 ` [patch 005/128] vfs: track per-sb writeback errors and report them to syncfs Andrew Morton
2020-06-02  4:45 ` [patch 006/128] fs/buffer.c: record blockdev write errors in super_block that it backs Andrew Morton
2020-06-02  4:45 ` [patch 007/128] usercopy: mark dma-kmalloc caches as usercopy caches Andrew Morton
2020-06-02  4:45 ` [patch 008/128] mm/slub.c: fix corrupted freechain in deactivate_slab() Andrew Morton
2020-06-02  4:45 ` [patch 009/128] slub: Remove userspace notifier for cache add/remove Andrew Morton
2020-06-02  4:45 ` [patch 010/128] slub: remove kmalloc under list_lock from list_slab_objects() V2 Andrew Morton
2020-06-02  4:45 ` [patch 011/128] mm/slub: fix stack overruns with SLUB_STATS Andrew Morton
2020-06-02  4:46 ` [patch 012/128] Documentation/vm/slub.rst: s/Toggle/Enable/ Andrew Morton
2020-06-02 13:10   ` Rafael Aquini
2020-06-02  4:46 ` [patch 013/128] mm, dump_page(): do not crash with invalid mapping pointer Andrew Morton
2020-06-02  4:46 ` [patch 014/128] mm: move readahead prototypes from mm.h Andrew Morton
2020-06-02  4:46 ` [patch 015/128] mm: return void from various readahead functions Andrew Morton
2020-06-02  4:46 ` [patch 016/128] mm: ignore return value of ->readpages Andrew Morton
2020-06-02  4:46 ` [patch 017/128] mm: move readahead nr_pages check into read_pages Andrew Morton
2020-06-02  4:46 ` [patch 018/128] mm: add new readahead_control API Andrew Morton
2020-06-02  4:46 ` [patch 019/128] mm: use readahead_control to pass arguments Andrew Morton
2020-06-02  4:46 ` [patch 020/128] mm: rename various 'offset' parameters to 'index' Andrew Morton
2020-06-02  4:46 ` [patch 021/128] mm: rename readahead loop variable to 'i' Andrew Morton
2020-06-02  4:46 ` [patch 022/128] mm: remove 'page_offset' from readahead loop Andrew Morton
2020-06-02  4:46 ` [patch 023/128] mm: put readahead pages in cache earlier Andrew Morton
2020-06-02  4:46 ` [patch 024/128] mm: add readahead address space operation Andrew Morton
2020-06-02  4:46 ` [patch 025/128] mm: move end_index check out of readahead loop Andrew Morton
2020-06-02  4:46 ` [patch 026/128] mm: add page_cache_readahead_unbounded Andrew Morton
2020-06-02  4:46 ` [patch 027/128] mm: document why we don't set PageReadahead Andrew Morton
2020-06-02  4:46 ` [patch 028/128] mm: use memalloc_nofs_save in readahead path Andrew Morton
2020-06-02  4:47 ` [patch 029/128] fs: convert mpage_readpages to mpage_readahead Andrew Morton
2020-06-02  4:47 ` [patch 030/128] btrfs: convert from readpages to readahead Andrew Morton
2020-06-02  4:47 ` [patch 031/128] erofs: convert uncompressed files " Andrew Morton
2020-06-02  4:47 ` [patch 032/128] erofs: convert compressed " Andrew Morton
2020-06-02  4:47 ` [patch 033/128] ext4: convert " Andrew Morton
2020-06-02  4:47 ` [patch 034/128] ext4: pass the inode to ext4_mpage_readpages Andrew Morton
2020-06-02  4:47 ` [patch 035/128] f2fs: convert from readpages to readahead Andrew Morton
2020-06-02  4:47 ` [patch 036/128] f2fs: pass the inode to f2fs_mpage_readpages Andrew Morton
2020-06-02  4:47 ` [patch 037/128] fuse: convert from readpages to readahead Andrew Morton
2020-06-02  4:47 ` Andrew Morton [this message]
2020-06-02  4:47 ` [patch 039/128] include/linux/pagemap.h: introduce attach/detach_page_private Andrew Morton
2020-06-02  4:47 ` [patch 040/128] md: remove __clear_page_buffers and use attach/detach_page_private Andrew Morton
2020-06-02  4:47 ` [patch 041/128] btrfs: " Andrew Morton
2020-06-02 14:19   ` David Sterba
2020-06-02  4:47 ` [patch 042/128] fs/buffer.c: " Andrew Morton
2020-06-02  4:47 ` [patch 043/128] f2fs: " Andrew Morton
2020-06-02  4:47 ` [patch 044/128] iomap: " Andrew Morton
2020-06-02 16:23   ` Darrick J. Wong
2020-06-02  4:47 ` [patch 045/128] ntfs: replace attach_page_buffers with attach_page_private Andrew Morton
2020-06-02  4:48 ` [patch 046/128] orangefs: use attach/detach_page_private Andrew Morton
2020-06-02  4:48 ` [patch 047/128] buffer_head.h: remove attach_page_buffers Andrew Morton
2020-06-02  4:48 ` [patch 048/128] mm/migrate.c: call detach_page_private to cleanup code Andrew Morton
2020-06-02  4:48 ` [patch 049/128] mm_types.h: change set_page_private to inline function Andrew Morton
2020-06-02  4:48 ` [patch 050/128] mm/filemap.c: remove misleading comment Andrew Morton
2020-06-02  4:48 ` [patch 051/128] mm/page-writeback.c: remove unused variable Andrew Morton
2020-06-02  4:48 ` [patch 052/128] mm/writeback: replace PF_LESS_THROTTLE with PF_LOCAL_THROTTLE Andrew Morton
2020-06-02  4:48 ` [patch 053/128] mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK instead Andrew Morton
2020-06-02  4:48 ` [patch 054/128] mm/gup.c: update the documentation Andrew Morton
2020-06-02  4:48 ` [patch 055/128] mm/gup: introduce pin_user_pages_unlocked Andrew Morton
2020-06-02  4:48 ` [patch 056/128] ivtv: convert get_user_pages() --> pin_user_pages() Andrew Morton
2020-06-02  4:48 ` [patch 057/128] mm/gup.c: further document vma_permits_fault() Andrew Morton
2020-06-02  4:48 ` [patch 058/128] mm/swapfile: use list_{prev,next}_entry() instead of open-coding Andrew Morton
2020-06-02  4:48 ` [patch 059/128] mm/swap_state: fix a data race in swapin_nr_pages Andrew Morton
2020-06-02  4:48 ` [patch 060/128] mm: swap: properly update readahead statistics in unuse_pte_range() Andrew Morton
2020-06-02  4:48 ` [patch 061/128] mm/swapfile.c: offset is only used when there is more slots Andrew Morton
2020-06-02  4:48 ` [patch 062/128] mm/swapfile.c: explicitly show ssd/non-ssd is handled mutually exclusive Andrew Morton
2020-06-02  4:48 ` [patch 063/128] mm/swapfile.c: remove the unnecessary goto for SSD case Andrew Morton
2020-06-02  4:48 ` [patch 064/128] mm/swapfile.c: simplify the calculation of n_goal Andrew Morton
2020-06-02  4:48 ` [patch 065/128] mm/swapfile.c: remove the extra check in scan_swap_map_slots() Andrew Morton
2020-06-02  4:49 ` [patch 066/128] mm/swapfile.c: found_free could be represented by (tmp < max) Andrew Morton
2020-06-02  4:49 ` [patch 067/128] mm/swapfile.c: tmp is always smaller than max Andrew Morton
2020-06-02  4:49 ` [patch 068/128] mm/swapfile.c: omit a duplicate code by compare tmp and max first Andrew Morton
2020-06-02  4:49 ` [patch 069/128] swap: try to scan more free slots even when fragmented Andrew Morton
2020-06-02  4:49 ` [patch 070/128] mm/swapfile.c: classify SWAP_MAP_XXX to make it more readable Andrew Morton
2020-06-02  4:49 ` [patch 071/128] mm/swapfile.c: __swap_entry_free() always free 1 entry Andrew Morton
2020-06-02  4:49 ` [patch 072/128] mm/swapfile.c: use prandom_u32_max() Andrew Morton
2020-06-02  4:49 ` [patch 073/128] swap: reduce lock contention on swap cache from swap slots allocation Andrew Morton
2020-06-02  4:49 ` [patch 074/128] mm: swapfile: fix /proc/swaps heading and Size/Used/Priority alignment Andrew Morton
2020-06-02  4:49 ` [patch 075/128] include/linux/swap.h: delete meaningless __add_to_swap_cache() declaration Andrew Morton
2020-06-02  4:49 ` [patch 076/128] mm, memcg: add workingset_restore in memory.stat Andrew Morton
2020-06-02  4:49 ` [patch 077/128] mm: memcontrol: simplify value comparison between count and limit Andrew Morton
2020-06-02  4:49 ` [patch 078/128] memcg: expose root cgroup's memory.stat Andrew Morton
2020-06-02  4:49 ` [patch 079/128] mm/memcg: prepare for swap over-high accounting and penalty calculation Andrew Morton
2020-06-02  4:49 ` [patch 080/128] mm/memcg: move penalty delay clamping out of calculate_high_delay() Andrew Morton
2020-06-02  4:49 ` [patch 081/128] mm/memcg: move cgroup high memory limit setting into struct page_counter Andrew Morton
2020-06-02  4:49 ` [patch 082/128] mm/memcg: automatically penalize tasks with high swap use Andrew Morton
2020-06-02  4:49 ` [patch 083/128] memcg: fix memcg_kmem_bypass() for remote memcg charging Andrew Morton
2020-06-02  4:49 ` [patch 084/128] x86: mm: ptdump: calculate effective permissions correctly Andrew Morton
2020-06-02  4:50 ` [patch 085/128] mm: ptdump: expand type of 'val' in note_page() Andrew Morton
2020-06-02  4:50 ` [patch 086/128] /proc/PID/smaps: Add PMD migration entry parsing Andrew Morton
2020-06-02  4:50 ` [patch 087/128] mm/memory: remove unnecessary pte_devmap case in copy_one_pte() Andrew Morton
2020-06-02  4:50 ` [patch 088/128] mm, memory_failure: don't send BUS_MCEERR_AO for action required error Andrew Morton
2020-06-02  4:50 ` [patch 089/128] x86/hyperv: use vmalloc_exec for the hypercall page Andrew Morton
2020-06-02  4:50 ` [patch 090/128] x86: fix vmap arguments in map_irq_stack Andrew Morton
2020-06-02  4:50 ` [patch 091/128] staging: android: ion: use vmap instead of vm_map_ram Andrew Morton
2020-06-02  4:50 ` [patch 092/128] staging: media: ipu3: use vmap instead of reimplementing it Andrew Morton
2020-06-02  4:50 ` [patch 093/128] dma-mapping: use vmap insted " Andrew Morton
2020-06-02  4:50 ` [patch 094/128] powerpc: add an ioremap_phb helper Andrew Morton
2020-06-02  4:50 ` [patch 095/128] powerpc: remove __ioremap_at and __iounmap_at Andrew Morton
2020-06-02  4:50 ` [patch 096/128] mm: remove __get_vm_area Andrew Morton
2020-06-02  4:50 ` [patch 097/128] mm: unexport unmap_kernel_range_noflush Andrew Morton
2020-06-02  4:50 ` [patch 098/128] mm: rename CONFIG_PGTABLE_MAPPING to CONFIG_ZSMALLOC_PGTABLE_MAPPING Andrew Morton
2020-06-02  4:50 ` [patch 099/128] mm: only allow page table mappings for built-in zsmalloc Andrew Morton
2020-06-02  4:51 ` [patch 100/128] mm: pass addr as unsigned long to vb_free Andrew Morton
2020-06-02  4:51 ` [patch 101/128] mm: remove vmap_page_range_noflush and vunmap_page_range Andrew Morton
2020-06-02  4:51 ` [patch 102/128] mm: rename vmap_page_range to map_kernel_range Andrew Morton
2020-06-02  4:51 ` [patch 103/128] mm: don't return the number of pages from map_kernel_range{,_noflush} Andrew Morton
2020-06-02  4:51 ` [patch 104/128] mm: remove map_vm_range Andrew Morton
2020-06-02  4:51 ` [patch 105/128] mm: remove unmap_vmap_area Andrew Morton
2020-06-02  4:51 ` [patch 106/128] mm: remove the prot argument from vm_map_ram Andrew Morton
2020-06-02  4:51 ` [patch 107/128] mm: enforce that vmap can't map pages executable Andrew Morton
2020-06-02  4:51 ` [patch 108/128] gpu/drm: remove the powerpc hack in drm_legacy_sg_alloc Andrew Morton
2020-06-02  4:51 ` [patch 109/128] mm: remove the pgprot argument to __vmalloc Andrew Morton
2020-06-02  4:51 ` [patch 110/128] mm: remove the prot argument to __vmalloc_node Andrew Morton
2020-06-02  4:51 ` [patch 111/128] mm: remove both instances of __vmalloc_node_flags Andrew Morton
2020-06-02  4:51 ` [patch 112/128] mm: remove __vmalloc_node_flags_caller Andrew Morton
2020-06-02  4:51 ` [patch 113/128] mm: switch the test_vmalloc module to use __vmalloc_node Andrew Morton
2020-06-02  4:52 ` [patch 114/128] mm: remove vmalloc_user_node_flags Andrew Morton
2020-06-02  4:52 ` [patch 115/128] arm64: use __vmalloc_node in arch_alloc_vmap_stack Andrew Morton
2020-06-02  4:52 ` [patch 116/128] powerpc: use __vmalloc_node in alloc_vm_stack Andrew Morton
2020-06-02  4:52 ` [patch 117/128] s390: use __vmalloc_node in stack_alloc Andrew Morton
2020-06-02  4:52 ` [patch 118/128] mm: add functions to track page directory modifications Andrew Morton
2020-06-02  4:52 ` [patch 119/128] mm/vmalloc: track which page-table levels were modified Andrew Morton
2020-06-02  4:52 ` [patch 120/128] mm/ioremap: " Andrew Morton
2020-06-02  4:52 ` [patch 121/128] x86/mm/64: implement arch_sync_kernel_mappings() Andrew Morton
2020-06-02  4:52 ` [patch 122/128] x86/mm/32: " Andrew Morton
2020-06-02  4:52 ` [patch 123/128] mm: remove vmalloc_sync_(un)mappings() Andrew Morton
2020-06-02  4:52 ` [patch 124/128] x86/mm: remove vmalloc faulting Andrew Morton
2020-06-02  4:52 ` [patch 125/128] kasan: fix clang compilation warning due to stack protector Andrew Morton
2020-06-02  4:52 ` [patch 126/128] ubsan: entirely disable alignment checks under UBSAN_TRAP Andrew Morton
2020-06-02  4:52 ` [patch 127/128] mm/mm_init.c: report kasan-tag information stored in page->flags Andrew Morton
2020-06-02  4:52 ` [patch 128/128] kasan: move kasan_report() into report.c Andrew Morton
2020-06-02 20:08 ` incoming Andrew Morton
2020-06-02 20:45   ` incoming Linus Torvalds
2020-06-02 21:38     ` incoming Andrew Morton
2020-06-02 22:18       ` incoming Linus Torvalds
2020-06-02 20:09 incoming Andrew Morton
2020-06-02 20:12 ` [patch 038/128] iomap: convert from readpages to readahead Andrew Morton

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200602044734.pWac1TQI7%akpm@linux-foundation.org \
    --to=akpm@linux-foundation.org \
    --cc=darrick.wong@oracle.com \
    --cc=dchinner@redhat.com \
    --cc=ebiggers@google.com \
    --cc=gaoxiang25@huawei.com \
    --cc=hch@lst.de \
    --cc=jaegeuk@kernel.org \
    --cc=jhubbard@nvidia.com \
    --cc=johannes.thumshirn@wdc.com \
    --cc=joseph.qi@linux.alibaba.com \
    --cc=junxiao.bi@oracle.com \
    --cc=linux-mm@kvack.org \
    --cc=mhocko@suse.com \
    --cc=mm-commits@vger.kernel.org \
    --cc=mszeredi@redhat.com \
    --cc=torvalds@linux-foundation.org \
    --cc=william.kucharski@oracle.com \
    --cc=willy@infradead.org \
    --cc=xiyou.wangcong@gmail.com \
    --cc=yuchao0@huawei.com \
    --cc=ziy@nvidia.com \
    --subject='Re: [patch 038/128] iomap: convert from readpages to readahead' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).