From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 21 Oct 2002 13:40:37 -0700 From: "Martin J. Bligh" Subject: ZONE_NORMAL exhaustion (dcache slab) Message-ID: <302190000.1035232837@flay> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: linux-kernel Cc: linux-mm mailing list List-ID: My big NUMA box went OOM over the weekend and started killing things for no good reason (2.5.43-mm2). Probably running some background updatedb for locate thing, not doing any real work. meminfo: MemTotal: 16077728 kB MemFree: 14950708 kB MemShared: 0 kB Buffers: 492 kB Cached: 384976 kB SwapCached: 0 kB Active: 372608 kB Inactive: 13380 kB HighTotal: 15335424 kB HighFree: 14949000 kB LowTotal: 742304 kB LowFree: 1708 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB Mapped: 2248 kB Slab: 724744 kB Reserved: 570464 kB Committed_AS: 1100 kB PageTables: 140 kB ReverseMaps: 1518 Big things out of slabinfo: ext2_inode_cache 554556 554598 416 61622 61622 1 : 120 60 dentry_cache 2791320 2791320 160 116305 116305 1 : 248 124 By my reckoning, that's over 450Mb of dentry cache that's refusing to shrink under pressure. ext2_inode_cache ain't exactly anorexic either. Hmmm ..... Any good ways to debug this? M. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/