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Date: Thu, 15 Mar 2012 21:09:44 +0100 From: Jiri Slaby <jslaby@...e.cz> To: linux-mm@...ck.org CC: Jiri Slaby <jirislaby@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, LKML <linux-kernel@...r.kernel.org> Subject: Too much free memory (not used for FS cache) Hi, since today's -next (20120315), the MM/VFS system is very sluggish. Especially when committing, diffing and similar with git. I still have 2G of 6G of memory free. But with each commit I have to wait for git to fetch all data from disk. I'm using ext4 on a raid for the partition with git kernel repository if that matters. Any idea what that could be? nr_free_pages 555469 nr_inactive_anon 16787 nr_active_anon 414439 nr_inactive_file 315585 nr_active_file 137446 nr_unevictable 0 nr_mlock 0 nr_anon_pages 277729 nr_mapped 95971 nr_file_pages 524644 nr_dirty 11 nr_writeback 0 nr_slab_reclaimable 35548 nr_slab_unreclaimable 7450 nr_page_table_pages 11493 nr_kernel_stack 464 nr_unstable 0 nr_bounce 0 nr_vmscan_write 0 nr_vmscan_immediate_reclaim 0 nr_writeback_temp 0 nr_isolated_anon 0 nr_isolated_file 0 nr_shmem 71614 nr_dirtied 1165398 nr_written 1147058 nr_anon_transparent_hugepages 160 nr_dirty_threshold 97608 nr_dirty_background_threshold 48804 pgpgin 2446144 pgpgout 4844237 pswpin 0 pswpout 0 pgalloc_dma 0 pgalloc_dma32 21764611 pgalloc_normal 38307626 pgalloc_movable 0 pgfree 60640227 pgactivate 913299 pgdeactivate 109336 pgfault 51012433 pgmajfault 8476 pgrefill_dma 0 pgrefill_dma32 79208 pgrefill_normal 41244 pgrefill_movable 0 pgsteal_dma 0 pgsteal_dma32 162966 pgsteal_normal 185373 pgsteal_movable 0 pgscan_kswapd_dma 0 pgscan_kswapd_dma32 162559 pgscan_kswapd_normal 215360 pgscan_kswapd_movable 0 pgscan_direct_dma 0 pgscan_direct_dma32 1624 pgscan_direct_normal 3927 pgscan_direct_movable 0 pginodesteal 4 slabs_scanned 102400 kswapd_steal 342881 kswapd_inodesteal 756 kswapd_low_wmark_hit_quickly 0 kswapd_high_wmark_hit_quickly 119 kswapd_skip_congestion_wait 0 pageoutrun 3493 allocstall 5 pgrotated 240 compact_blocks_moved 432 compact_pages_moved 10699 compact_pagemigrate_failed 0 compact_stall 14 compact_fail 5 compact_success 9 htlb_buddy_alloc_success 0 htlb_buddy_alloc_fail 0 unevictable_pgs_culled 327 unevictable_pgs_scanned 0 unevictable_pgs_rescued 2618 unevictable_pgs_mlocked 2618 unevictable_pgs_munlocked 2618 unevictable_pgs_cleared 0 unevictable_pgs_stranded 0 unevictable_pgs_mlockfreed 0 thp_fault_alloc 13147 thp_fault_fallback 0 thp_collapse_alloc 3543 thp_collapse_alloc_failed 0 thp_split 183 thanks, -- js suse labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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