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| author | Mingming Cao <cmm@us.ibm.com> | 2008-01-28 23:58:27 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-01-28 23:58:27 -0500 |
| commit | 77160957e29e9413f7420e85fca37a47d4ffac7f (patch) | |
| tree | d7930fbe9129dcadcda2941fd38a27692b6870ba | |
| parent | 7b7510662f4d05ddcc45d435769860e73e6aa20e (diff) | |
| download | op-kernel-dev-77160957e29e9413f7420e85fca37a47d4ffac7f.zip op-kernel-dev-77160957e29e9413f7420e85fca37a47d4ffac7f.tar.gz | |
jbd2: Mark jbd2 slabs as SLAB_TEMPORARY
This patch marks slab allocations by jbd2 as short-lived in support of
Mel Gorman's "Group short-lived and reclaimable kernel allocations"
patch. (Ported from similar changes made to fs/jbd/journal.c and
fs/jbd/revoke.c in Mel's patch.)
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| -rw-r--r-- | fs/jbd2/journal.c | 4 | ||||
| -rw-r--r-- | fs/jbd2/revoke.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 59ba249..96ba846 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1973,7 +1973,7 @@ static int journal_init_jbd2_journal_head_cache(void) jbd2_journal_head_cache = kmem_cache_create("jbd2_journal_head", sizeof(struct journal_head), 0, /* offset */ - 0, /* flags */ + SLAB_TEMPORARY, /* flags */ NULL); /* ctor */ retval = 0; if (jbd2_journal_head_cache == 0) { @@ -2269,7 +2269,7 @@ static int __init journal_init_handle_cache(void) jbd2_handle_cache = kmem_cache_create("jbd2_journal_handle", sizeof(handle_t), 0, /* offset */ - 0, /* flags */ + SLAB_TEMPORARY, /* flags */ NULL); /* ctor */ if (jbd2_handle_cache == NULL) { printk(KERN_EMERG "JBD: failed to create handle cache\n"); diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index 3595fd4..df36f42 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -171,13 +171,15 @@ int __init jbd2_journal_init_revoke_caches(void) { jbd2_revoke_record_cache = kmem_cache_create("jbd2_revoke_record", sizeof(struct jbd2_revoke_record_s), - 0, SLAB_HWCACHE_ALIGN, NULL); + 0, + SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY, + NULL); if (jbd2_revoke_record_cache == 0) return -ENOMEM; jbd2_revoke_table_cache = kmem_cache_create("jbd2_revoke_table", sizeof(struct jbd2_revoke_table_s), - 0, 0, NULL); + 0, SLAB_TEMPORARY, NULL); if (jbd2_revoke_table_cache == 0) { kmem_cache_destroy(jbd2_revoke_record_cache); jbd2_revoke_record_cache = NULL; |
