Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758007AbYAVDFw (ORCPT ); Mon, 21 Jan 2008 22:05:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756064AbYAVDD1 (ORCPT ); Mon, 21 Jan 2008 22:03:27 -0500 Received: from BISCAYNE-ONE-STATION.MIT.EDU ([18.7.7.80]:64771 "EHLO biscayne-one-station.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755000AbYAVDDY (ORCPT ); Mon, 21 Jan 2008 22:03:24 -0500 From: "Theodore Ts'o" To: linux-kernel@vger.kernel.org Cc: Mingming Cao , Mel Gorman , Andrew Morton , "Theodore Ts'o" Subject: [PATCH 47/49] jbd2: Mark jbd2 slabs as SLAB_TEMPORARY Date: Mon, 21 Jan 2008 22:02:26 -0500 Message-Id: <1200970948-17903-48-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.5.4.rc3.31.g1271-dirty In-Reply-To: <1200970948-17903-47-git-send-email-tytso@mit.edu> References: <1200970948-17903-1-git-send-email-tytso@mit.edu> <1200970948-17903-2-git-send-email-tytso@mit.edu> <1200970948-17903-3-git-send-email-tytso@mit.edu> <1200970948-17903-4-git-send-email-tytso@mit.edu> <1200970948-17903-5-git-send-email-tytso@mit.edu> <1200970948-17903-6-git-send-email-tytso@mit.edu> <1200970948-17903-7-git-send-email-tytso@mit.edu> <1200970948-17903-8-git-send-email-tytso@mit.edu> <1200970948-17903-9-git-send-email-tytso@mit.edu> <1200970948-17903-10-git-send-email-tytso@mit.edu> <1200970948-17903-11-git-send-email-tytso@mit.edu> <1200970948-17903-12-git-send-email-tytso@mit.edu> <1200970948-17903-13-git-send-email-tytso@mit.edu> <1200970948-17903-14-git-send-email-tytso@mit.edu> <1200970948-17903-15-git-send-email-tytso@mit.edu> <1200970948-17903-16-git-send-email-tytso@mit.edu> <1200970948-17903-17-git-send-email-tytso@mit.edu> <1200970948-17903-18-git-send-email-tytso@mit.edu> <1200970948-17903-19-git-send-email-tytso@mit.edu> <1200970948-17903-20-git-send-email-tytso@mit.edu> <1200970948-17903-21-git-send-email-tytso@mit.edu> <1200970948-17903-22-git-send-email-tytso@mit.edu> <1200970948-17903-23-git-send-email-tytso@mit.edu> <1200970948-17903-24-git-send-email-tytso@mit.edu> <1200970948-17903-25-git-send-email-tytso@mit.edu> <1200970948-17903-26-git-send-email-tytso@mit.edu> <1200970948-17903-27-git-send-email-tytso@mit.edu> <1200970948-17903-28-git-send-email-tytso@mit.edu> <1200970948-17903-29-git-send-email-tytso@mit.edu> <1200970948-17903-30-git-send-email-tytso@mit.edu> <1200970948-17903-31-git-send-email-tytso@mit.edu> <1200970948-17903-32-git-send-email-tytso@mit.edu> <1200970948-17903-33-git-send-email-tytso@mit.edu> <1200970948-17903-34-git-send-email-tytso@mit.edu> <1200970948-17903-35-git-send-email-tytso@mit.edu> <1200970948-17903-36-git-send-email-tytso@mit.edu> <1200970948-17903-37-git-send-email-tytso@mit.edu> <1200970948-17903-38-git-send-email-tytso@mit.edu> <1200970948-17903-39-git-send-email-tytso@mit.edu> <1200970948-17903-40-git-send-email-tytso@mit.edu> <1200970948-17903-41-git-send-email-tytso@mit.edu> <1200970948-17903-42-git-send-email-tytso@mit.edu> <1200970948-17903-43-git-send-email-tytso@mit.edu> <1200970948-17903-44-git-send-email-tytso@mit.edu> <1200970948-17903-45-git-send-email-tytso@mit.edu> <1200970948-17903-46-git-send-email-tytso@mit.edu> <1200970948-17903-47-git-send-email-tytso@mit.edu> X-Spam-Flag: NO X-Spam-Score: 0.00 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2427 Lines: 68 From: Mingming Cao 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 Cc: Andrew Morton Signed-off-by: Mingming Cao Signed-off-by: "Theodore Ts'o" --- fs/jbd2/journal.c | 4 ++-- 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 f8b0f8c..8301e8d 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1975,7 +1975,7 @@ 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) { @@ -2271,7 +2271,7 @@ 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; -- 1.5.4.rc3.31.g1271-dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/