Subject: [to-be-updated] fs-convert-inode-and-dentry-shrinking-to-be-node-aware.patch removed from -mm tree
To: dchinner@xxxxxxxxxx,glommer@xxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 06 Jun 2013 12:34:49 -0700
The patch titled
Subject: fs: convert inode and dentry shrinking to be node aware
has been removed from the -mm tree. Its filename was
fs-convert-inode-and-dentry-shrinking-to-be-node-aware.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
From: Dave Chinner <dchinner@xxxxxxxxxx>
Subject: fs: convert inode and dentry shrinking to be node aware
Now that the shrinker is passing a node in the scan control structure, we
can pass this to the the generic LRU list code to isolate reclaim to the
lists on matching nodes.
Cc: Glauber Costa <glommer@xxxxxxxxxx>
Cc: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/dcache.c | 8 +++++---
fs/inode.c | 7 ++++---
fs/internal.h | 6 ++++--
fs/super.c | 23 ++++++++++++++---------
fs/xfs/xfs_super.c | 6 ++++--
include/linux/fs.h | 4 ++--
6 files changed, 33 insertions(+), 21 deletions(-)
diff -puN fs/dcache.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware fs/dcache.c
--- a/fs/dcache.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware
+++ a/fs/dcache.c
@@ -879,6 +879,7 @@ dentry_lru_isolate(struct list_head *ite
* prune_dcache_sb - shrink the dcache
* @sb: superblock
* @nr_to_scan : number of entries to try to free
+ * @nodes_to_walk: which nodes to scan for freeable entities
*
* Attempt to shrink the superblock dcache LRU by @nr_to_scan entries. This is
* done when we need more memory an called from the superblock shrinker
@@ -887,13 +888,14 @@ dentry_lru_isolate(struct list_head *ite
* This function may fail to free any resources if all the dentries are in
* use.
*/
-long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan)
+long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan,
+ int nid)
{
LIST_HEAD(dispose);
long freed;
- freed = list_lru_walk(&sb->s_dentry_lru, dentry_lru_isolate,
- &dispose, nr_to_scan);
+ freed = list_lru_walk_node(&sb->s_dentry_lru, nid, dentry_lru_isolate,
+ &dispose, &nr_to_scan);
shrink_dentry_list(&dispose);
return freed;
}
diff -puN fs/inode.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware fs/inode.c
--- a/fs/inode.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware
+++ a/fs/inode.c
@@ -746,13 +746,14 @@ inode_lru_isolate(struct list_head *item
* to trim from the LRU. Inodes to be freed are moved to a temporary list and
* then are freed outside inode_lock by dispose_list().
*/
-long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan)
+long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan,
+ int nid)
{
LIST_HEAD(freeable);
long freed;
- freed = list_lru_walk(&sb->s_inode_lru, inode_lru_isolate,
- &freeable, nr_to_scan);
+ freed = list_lru_walk_node(&sb->s_inode_lru, nid, inode_lru_isolate,
+ &freeable, &nr_to_scan);
dispose_list(&freeable);
return freed;
}
diff -puN fs/internal.h~fs-convert-inode-and-dentry-shrinking-to-be-node-aware fs/internal.h
--- a/fs/internal.h~fs-convert-inode-and-dentry-shrinking-to-be-node-aware
+++ a/fs/internal.h
@@ -110,7 +110,8 @@ extern int open_check_o_direct(struct fi
* inode.c
*/
extern spinlock_t inode_sb_list_lock;
-extern long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan);
+extern long prune_icache_sb(struct super_block *sb, unsigned long nr_to_scan,
+ int nid);
extern void inode_add_lru(struct inode *inode);
/*
@@ -126,7 +127,8 @@ extern int invalidate_inodes(struct supe
* dcache.c
*/
extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
-extern long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan);
+extern long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan,
+ int nid);
/*
* read_write.c
diff -puN fs/super.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware fs/super.c
--- a/fs/super.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware
+++ a/fs/super.c
@@ -75,10 +75,10 @@ static long super_cache_scan(struct shri
return -1;
if (sb->s_op && sb->s_op->nr_cached_objects)
- fs_objects = sb->s_op->nr_cached_objects(sb);
+ fs_objects = sb->s_op->nr_cached_objects(sb, sc->nid);
- inodes = list_lru_count(&sb->s_inode_lru);
- dentries = list_lru_count(&sb->s_dentry_lru);
+ inodes = list_lru_count_node(&sb->s_inode_lru, sc->nid);
+ dentries = list_lru_count_node(&sb->s_dentry_lru, sc->nid);
total_objects = dentries + inodes + fs_objects + 1;
/* proportion the scan between the caches */
@@ -89,13 +89,14 @@ static long super_cache_scan(struct shri
* prune the dcache first as the icache is pinned by it, then
* prune the icache, followed by the filesystem specific caches
*/
- freed = prune_dcache_sb(sb, dentries);
- freed += prune_icache_sb(sb, inodes);
+ freed = prune_dcache_sb(sb, dentries, sc->nid);
+ freed += prune_icache_sb(sb, inodes, sc->nid);
if (fs_objects) {
fs_objects = mult_frac(sc->nr_to_scan, fs_objects,
total_objects);
- freed += sb->s_op->free_cached_objects(sb, fs_objects);
+ freed += sb->s_op->free_cached_objects(sb, fs_objects,
+ sc->nid);
}
drop_super(sb);
@@ -113,10 +114,13 @@ static long super_cache_count(struct shr
return 0;
if (sb->s_op && sb->s_op->nr_cached_objects)
- total_objects = sb->s_op->nr_cached_objects(sb);
+ total_objects = sb->s_op->nr_cached_objects(sb,
+ sc->nid);
- total_objects += list_lru_count(&sb->s_dentry_lru);
- total_objects += list_lru_count(&sb->s_inode_lru);
+ total_objects += list_lru_count_node(&sb->s_dentry_lru,
+ sc->nid);
+ total_objects += list_lru_count_node(&sb->s_inode_lru,
+ sc->nid);
total_objects = vfs_pressure_ratio(total_objects);
drop_super(sb);
@@ -232,6 +236,7 @@ static struct super_block *alloc_super(s
s->s_shrink.scan_objects = super_cache_scan;
s->s_shrink.count_objects = super_cache_count;
s->s_shrink.batch = 1024;
+ s->s_shrink.flags = SHRINKER_NUMA_AWARE;
}
out:
return s;
diff -puN fs/xfs/xfs_super.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware fs/xfs/xfs_super.c
--- a/fs/xfs/xfs_super.c~fs-convert-inode-and-dentry-shrinking-to-be-node-aware
+++ a/fs/xfs/xfs_super.c
@@ -1536,7 +1536,8 @@ xfs_fs_mount(
static long
xfs_fs_nr_cached_objects(
- struct super_block *sb)
+ struct super_block *sb,
+ int nid)
{
return xfs_reclaim_inodes_count(XFS_M(sb));
}
@@ -1544,7 +1545,8 @@ xfs_fs_nr_cached_objects(
static long
xfs_fs_free_cached_objects(
struct super_block *sb,
- long nr_to_scan)
+ long nr_to_scan,
+ int nid)
{
return xfs_reclaim_inodes_nr(XFS_M(sb), nr_to_scan);
}
diff -puN include/linux/fs.h~fs-convert-inode-and-dentry-shrinking-to-be-node-aware include/linux/fs.h
--- a/include/linux/fs.h~fs-convert-inode-and-dentry-shrinking-to-be-node-aware
+++ a/include/linux/fs.h
@@ -1610,8 +1610,8 @@ struct super_operations {
ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
#endif
int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
- long (*nr_cached_objects)(struct super_block *);
- long (*free_cached_objects)(struct super_block *, long);
+ long (*nr_cached_objects)(struct super_block *, int);
+ long (*free_cached_objects)(struct super_block *, long, int);
};
/*
_
Patches currently in -mm which might be from dchinner@xxxxxxxxxx are
linux-next.patch
xfs-convert-buftarg-lru-to-generic-code.patch
xfs-rework-buffer-dispose-list-tracking.patch
xfs-convert-dquot-cache-lru-to-list_lru.patch
fs-convert-fs-shrinkers-to-new-scan-count-api.patch
drivers-convert-shrinkers-to-new-count-scan-api.patch
i915-bail-out-earlier-when-shrinker-cannot-acquire-mutex.patch
shrinker-convert-remaining-shrinkers-to-count-scan-api.patch
hugepage-convert-huge-zero-page-shrinker-to-new-shrinker-api.patch
shrinker-kill-old-shrink-api.patch
vmscan-also-shrink-slab-in-memcg-pressure.patch
memcglist_lru-duplicate-lrus-upon-kmemcg-creation.patch
lru-add-an-element-to-a-memcg-list.patch
list_lru-per-memcg-walks.patch
memcg-per-memcg-kmem-shrinking.patch
memcg-scan-cache-objects-hierarchically.patch
vmscan-take-at-least-one-pass-with-shrinkers.patch
super-targeted-memcg-reclaim.patch
memcg-move-initialization-to-memcg-creation.patch
vmpressure-in-kernel-notifications.patch
memcg-reap-dead-memcgs-upon-global-memory-pressure.patch
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