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WSL2-Linux-Kernel
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[PATCH] cpuset memory spread: slab cache filesystems 

Mark file system inode and similar slab caches subject to SLAB_MEM_SPREAD
memory spreading.

If a slab cache is marked SLAB_MEM_SPREAD, then anytime that a task that's
in a cpuset with the 'memory_spread_slab' option enabled goes to allocate
from such a slab cache, the allocations are spread evenly over all the
memory nodes (task->mems_allowed) allowed to that task, instead of favoring
allocation on the node local to the current cpu.

The following inode and similar caches are marked SLAB_MEM_SPREAD:

    file                               cache
    ====                               =====
    fs/adfs/super.c                    adfs_inode_cache
    fs/affs/super.c                    affs_inode_cache
    fs/befs/linuxvfs.c                 befs_inode_cache
    fs/bfs/inode.c                     bfs_inode_cache
    fs/block_dev.c                     bdev_cache
    fs/cifs/cifsfs.c                   cifs_inode_cache
    fs/coda/inode.c                    coda_inode_cache
    fs/dquot.c                         dquot
    fs/efs/super.c                     efs_inode_cache
    fs/ext2/super.c                    ext2_inode_cache
    fs/ext2/xattr.c (fs/mbcache.c)     ext2_xattr
    fs/ext3/super.c                    ext3_inode_cache
    fs/ext3/xattr.c (fs/mbcache.c)     ext3_xattr
    fs/fat/cache.c                     fat_cache
    fs/fat/inode.c                     fat_inode_cache
    fs/freevxfs/vxfs_super.c           vxfs_inode
    fs/hpfs/super.c                    hpfs_inode_cache
    fs/isofs/inode.c                   isofs_inode_cache
    fs/jffs/inode-v23.c                jffs_fm
    fs/jffs2/super.c                   jffs2_i
    fs/jfs/super.c                     jfs_ip
    fs/minix/inode.c                   minix_inode_cache
    fs/ncpfs/inode.c                   ncp_inode_cache
    fs/nfs/direct.c                    nfs_direct_cache
    fs/nfs/inode.c                     nfs_inode_cache
    fs/ntfs/super.c                    ntfs_big_inode_cache_name
    fs/ntfs/super.c                    ntfs_inode_cache
    fs/ocfs2/dlm/dlmfs.c               dlmfs_inode_cache
    fs/ocfs2/super.c                   ocfs2_inode_cache
    fs/proc/inode.c                    proc_inode_cache
    fs/qnx4/inode.c                    qnx4_inode_cache
    fs/reiserfs/super.c                reiser_inode_cache
    fs/romfs/inode.c                   romfs_inode_cache
    fs/smbfs/inode.c                   smb_inode_cache
    fs/sysv/inode.c                    sysv_inode_cache
    fs/udf/super.c                     udf_inode_cache
    fs/ufs/super.c                     ufs_inode_cache
    net/socket.c                       sock_inode_cache
    net/sunrpc/rpc_pipe.c              rpc_inode_cache

The choice of which slab caches to so mark was quite simple.  I marked
those already marked SLAB_RECLAIM_ACCOUNT, except for fs/xfs, dentry_cache,
inode_cache, and buffer_head, which were marked in a previous patch.  Even
though SLAB_RECLAIM_ACCOUNT is for a different purpose, it marks the same
potentially large file system i/o related slab caches as we need for memory
spreading.

Given that the rule now becomes "wherever you would have used a
SLAB_RECLAIM_ACCOUNT slab cache flag before (usually the inode cache), use
the SLAB_MEM_SPREAD flag too", this should be easy enough to maintain.
Future file system writers will just copy one of the existing file system
slab cache setups and tend to get it right without thinking.

Signed-off-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Paul Jackson 2006-03-24 03:16:05 -08:00 коммит произвёл Linus Torvalds
Родитель 44110fe385
Коммит 4b6a9316fa
37 изменённых файлов: 39 добавлений и 39 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

2
fs/adfs/super.c
Просмотреть файл

@ -241,7 +241,7 @@ static int init_inodecache(void)
{
adfs_inode_cachep = kmem_cache_create("adfs_inode_cache",
sizeof(struct adfs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (adfs_inode_cachep == NULL)
return -ENOMEM;

2
fs/affs/super.c
Просмотреть файл

@ -98,7 +98,7 @@ static int init_inodecache(void)
{
affs_inode_cachep = kmem_cache_create("affs_inode_cache",
sizeof(struct affs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (affs_inode_cachep == NULL)
return -ENOMEM;

2
fs/befs/linuxvfs.c
Просмотреть файл

@ -427,7 +427,7 @@ befs_init_inodecache(void)
{
befs_inode_cachep = kmem_cache_create("befs_inode_cache",
sizeof (struct befs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (befs_inode_cachep == NULL) {
printk(KERN_ERR "befs_init_inodecache: "

2
fs/bfs/inode.c
Просмотреть файл

@ -257,7 +257,7 @@ static int init_inodecache(void)
{
bfs_inode_cachep = kmem_cache_create("bfs_inode_cache",
sizeof(struct bfs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (bfs_inode_cachep == NULL)
return -ENOMEM;

2
fs/block_dev.c
Просмотреть файл

@ -319,7 +319,7 @@ void __init bdev_cache_init(void)
{
int err;
bdev_cachep = kmem_cache_create("bdev_cache", sizeof(struct bdev_inode),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_PANIC,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_PANIC,
init_once, NULL);
err = register_filesystem(&bd_type);
if (err)

2
fs/cifs/cifsfs.c
Просмотреть файл

@ -695,7 +695,7 @@ cifs_init_inodecache(void)
{
cifs_inode_cachep = kmem_cache_create("cifs_inode_cache",
sizeof (struct cifsInodeInfo),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
cifs_init_once, NULL);
if (cifs_inode_cachep == NULL)
return -ENOMEM;

2
fs/coda/inode.c
Просмотреть файл

@ -71,7 +71,7 @@ int coda_init_inodecache(void)
{
coda_inode_cachep = kmem_cache_create("coda_inode_cache",
sizeof(struct coda_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (coda_inode_cachep == NULL)
return -ENOMEM;

2
fs/dquot.c
Просмотреть файл

@ -1821,7 +1821,7 @@ static int __init dquot_init(void)
dquot_cachep = kmem_cache_create("dquot",
sizeof(struct dquot), sizeof(unsigned long) * 4,
SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_PANIC,
SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_PANIC,
NULL, NULL);
order = 0;

2
fs/efs/super.c
Просмотреть файл

@ -81,7 +81,7 @@ static int init_inodecache(void)
{
efs_inode_cachep = kmem_cache_create("efs_inode_cache",
sizeof(struct efs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (efs_inode_cachep == NULL)
return -ENOMEM;

2
fs/ext2/super.c
Просмотреть файл

@ -175,7 +175,7 @@ static int init_inodecache(void)
{
ext2_inode_cachep = kmem_cache_create("ext2_inode_cache",
sizeof(struct ext2_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (ext2_inode_cachep == NULL)
return -ENOMEM;

2
fs/ext3/super.c
Просмотреть файл

@ -481,7 +481,7 @@ static int init_inodecache(void)
{
ext3_inode_cachep = kmem_cache_create("ext3_inode_cache",
sizeof(struct ext3_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (ext3_inode_cachep == NULL)
return -ENOMEM;

2
fs/fat/cache.c
Просмотреть файл

@ -49,7 +49,7 @@ int __init fat_cache_init(void)
{
fat_cache_cachep = kmem_cache_create("fat_cache",
sizeof(struct fat_cache),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (fat_cache_cachep == NULL)
return -ENOMEM;

2
fs/fat/inode.c
Просмотреть файл

@ -518,7 +518,7 @@ static int __init fat_init_inodecache(void)
{
fat_inode_cachep = kmem_cache_create("fat_inode_cache",
sizeof(struct msdos_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (fat_inode_cachep == NULL)
return -ENOMEM;

2
fs/freevxfs/vxfs_super.c
Просмотреть файл

@ -260,7 +260,7 @@ vxfs_init(void)
{
vxfs_inode_cachep = kmem_cache_create("vxfs_inode",
sizeof(struct vxfs_inode_info), 0,
SLAB_RECLAIM_ACCOUNT, NULL, NULL);
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL, NULL);
if (vxfs_inode_cachep)
return register_filesystem(&vxfs_fs_type);
return -ENOMEM;

2
fs/hpfs/super.c
Просмотреть файл

@ -191,7 +191,7 @@ static int init_inodecache(void)
{
hpfs_inode_cachep = kmem_cache_create("hpfs_inode_cache",
sizeof(struct hpfs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (hpfs_inode_cachep == NULL)
return -ENOMEM;

2
fs/isofs/inode.c
Просмотреть файл

@ -87,7 +87,7 @@ static int init_inodecache(void)
{
isofs_inode_cachep = kmem_cache_create("isofs_inode_cache",
sizeof(struct iso_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (isofs_inode_cachep == NULL)
return -ENOMEM;

4
fs/jffs/inode-v23.c
Просмотреть файл

@ -1812,14 +1812,14 @@ init_jffs_fs(void)
}
#endif
fm_cache = kmem_cache_create("jffs_fm", sizeof(struct jffs_fm),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
NULL, NULL);
if (!fm_cache) {
return -ENOMEM;
}
node_cache = kmem_cache_create("jffs_node",sizeof(struct jffs_node),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
NULL, NULL);
if (!node_cache) {
kmem_cache_destroy(fm_cache);

2
fs/jffs2/super.c
Просмотреть файл

@ -331,7 +331,7 @@ static int __init init_jffs2_fs(void)
jffs2_inode_cachep = kmem_cache_create("jffs2_i",
sizeof(struct jffs2_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
jffs2_i_init_once, NULL);
if (!jffs2_inode_cachep) {
printk(KERN_ERR "JFFS2 error: Failed to initialise inode cache\n");

2
fs/jfs/super.c
Просмотреть файл

@ -664,7 +664,7 @@ static int __init init_jfs_fs(void)
jfs_inode_cachep =
kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
SLAB_RECLAIM_ACCOUNT, init_once, NULL);
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, init_once, NULL);
if (jfs_inode_cachep == NULL)
return -ENOMEM;

2
fs/mbcache.c
Просмотреть файл

@ -288,7 +288,7 @@ mb_cache_create(const char *name, struct mb_cache_op *cache_op,
INIT_LIST_HEAD(&cache->c_indexes_hash[m][n]);
}
cache->c_entry_cache = kmem_cache_create(name, entry_size, 0,
SLAB_RECLAIM_ACCOUNT, NULL, NULL);
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL, NULL);
if (!cache->c_entry_cache)
goto fail;

2
fs/minix/inode.c
Просмотреть файл

@ -80,7 +80,7 @@ static int init_inodecache(void)
{
minix_inode_cachep = kmem_cache_create("minix_inode_cache",
sizeof(struct minix_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (minix_inode_cachep == NULL)
return -ENOMEM;

2
fs/ncpfs/inode.c
Просмотреть файл

@ -72,7 +72,7 @@ static int init_inodecache(void)
{
ncp_inode_cachep = kmem_cache_create("ncp_inode_cache",
sizeof(struct ncp_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (ncp_inode_cachep == NULL)
return -ENOMEM;

2
fs/nfs/direct.c
Просмотреть файл

@ -781,7 +781,7 @@ int nfs_init_directcache(void)
{
nfs_direct_cachep = kmem_cache_create("nfs_direct_cache",
sizeof(struct nfs_direct_req),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
NULL, NULL);
if (nfs_direct_cachep == NULL)
return -ENOMEM;

2
fs/nfs/inode.c
Просмотреть файл

@ -2163,7 +2163,7 @@ static int nfs_init_inodecache(void)
{
nfs_inode_cachep = kmem_cache_create("nfs_inode_cache",
sizeof(struct nfs_inode),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (nfs_inode_cachep == NULL)
return -ENOMEM;

4
fs/ntfs/super.c
Просмотреть файл

@ -3163,7 +3163,7 @@ static int __init init_ntfs_fs(void)
ntfs_inode_cache = kmem_cache_create(ntfs_inode_cache_name,
sizeof(ntfs_inode), 0,
SLAB_RECLAIM_ACCOUNT, NULL, NULL);
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL, NULL);
if (!ntfs_inode_cache) {
printk(KERN_CRIT "NTFS: Failed to create %s!\n",
ntfs_inode_cache_name);
@ -3172,7 +3172,7 @@ static int __init init_ntfs_fs(void)
ntfs_big_inode_cache = kmem_cache_create(ntfs_big_inode_cache_name,
sizeof(big_ntfs_inode), 0,
SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
ntfs_big_inode_init_once, NULL);
if (!ntfs_big_inode_cache) {
printk(KERN_CRIT "NTFS: Failed to create %s!\n",

2
fs/ocfs2/dlm/dlmfs.c
Просмотреть файл

@ -596,7 +596,7 @@ static int __init init_dlmfs_fs(void)
dlmfs_inode_cache = kmem_cache_create("dlmfs_inode_cache",
sizeof(struct dlmfs_inode_private),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
dlmfs_init_once, NULL);
if (!dlmfs_inode_cache)
return -ENOMEM;

2
fs/ocfs2/super.c
Просмотреть файл

@ -951,7 +951,7 @@ static int ocfs2_initialize_mem_caches(void)
{
ocfs2_inode_cachep = kmem_cache_create("ocfs2_inode_cache",
sizeof(struct ocfs2_inode_info),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
ocfs2_inode_init_once, NULL);
if (!ocfs2_inode_cachep)
return -ENOMEM;

2
fs/proc/inode.c
Просмотреть файл

@ -121,7 +121,7 @@ int __init proc_init_inodecache(void)
{
proc_inode_cachep = kmem_cache_create("proc_inode_cache",
sizeof(struct proc_inode),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (proc_inode_cachep == NULL)
return -ENOMEM;

2
fs/qnx4/inode.c
Просмотреть файл

@ -546,7 +546,7 @@ static int init_inodecache(void)
{
qnx4_inode_cachep = kmem_cache_create("qnx4_inode_cache",
sizeof(struct qnx4_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (qnx4_inode_cachep == NULL)
return -ENOMEM;

2
fs/reiserfs/super.c
Просмотреть файл

@ -521,7 +521,7 @@ static int init_inodecache(void)
reiserfs_inode_cachep = kmem_cache_create("reiser_inode_cache",
sizeof(struct
reiserfs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (reiserfs_inode_cachep == NULL)
return -ENOMEM;

2
fs/romfs/inode.c
Просмотреть файл

@ -579,7 +579,7 @@ static int init_inodecache(void)
{
romfs_inode_cachep = kmem_cache_create("romfs_inode_cache",
sizeof(struct romfs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (romfs_inode_cachep == NULL)
return -ENOMEM;

2
fs/smbfs/inode.c
Просмотреть файл

@ -80,7 +80,7 @@ static int init_inodecache(void)
{
smb_inode_cachep = kmem_cache_create("smb_inode_cache",
sizeof(struct smb_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (smb_inode_cachep == NULL)
return -ENOMEM;

2
fs/sysv/inode.c
Просмотреть файл

@ -342,7 +342,7 @@ int __init sysv_init_icache(void)
{
sysv_inode_cachep = kmem_cache_create("sysv_inode_cache",
sizeof(struct sysv_inode_info), 0,
SLAB_RECLAIM_ACCOUNT,
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (!sysv_inode_cachep)
return -ENOMEM;

2
fs/udf/super.c
Просмотреть файл

@ -140,7 +140,7 @@ static int init_inodecache(void)
{
udf_inode_cachep = kmem_cache_create("udf_inode_cache",
sizeof(struct udf_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (udf_inode_cachep == NULL)
return -ENOMEM;

2
fs/ufs/super.c
Просмотреть файл

@ -1184,7 +1184,7 @@ static int init_inodecache(void)
{
ufs_inode_cachep = kmem_cache_create("ufs_inode_cache",
sizeof(struct ufs_inode_info),
0, SLAB_RECLAIM_ACCOUNT,
0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (ufs_inode_cachep == NULL)
return -ENOMEM;

2
net/socket.c
Просмотреть файл

@ -319,7 +319,7 @@ static int init_inodecache(void)
{
sock_inode_cachep = kmem_cache_create("sock_inode_cache",
sizeof(struct socket_alloc),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (sock_inode_cachep == NULL)
return -ENOMEM;

2
net/sunrpc/rpc_pipe.c
Просмотреть файл

@ -850,7 +850,7 @@ int register_rpc_pipefs(void)
{
rpc_inode_cachep = kmem_cache_create("rpc_inode_cache",
sizeof(struct rpc_inode),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (!rpc_inode_cachep)
return -ENOMEM;