)]}' { "log": [ { "commit": "2a16e3f4b0c408b9e50297d2ec27e295d490267a", "tree": "71569cfdf06fb83497e88e4e6543fbe624488aa3", "parents": [ "1b2ffb7896ad46067f5b9ebf7de1891d74a4cdef" ], "author": { "name": "Christoph Lameter", "email": "clameter@engr.sgi.com", "time": "Wed Feb 01 03:05:35 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Feb 01 08:53:16 2006 -0800" }, "message": "[PATCH] Reclaim slab during zone reclaim\n\nIf large amounts of zone memory are used by empty slabs then zone_reclaim\nbecomes uneffective. This patch shakes the slab a bit.\n\nThe problem with this patch is that the slab reclaim is not containable to a\nzone. Thus slab reclaim may affect the whole system and be extremely slow.\nThis also means that we cannot determine how many pages were freed in this\nzone. Thus we need to go off node for at least one allocation.\n\nThe functionality is disabled by default.\n\nWe could modify the shrinkers to take a zone parameter but that would be quite\ninvasive. Better ideas are welcome.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1b2ffb7896ad46067f5b9ebf7de1891d74a4cdef", "tree": "a8f257639d4041bf0e7d61eda3fb72f2eb69f4bc", "parents": [ "2a11ff06d7d12be5d1bbcf592fff649b45ac2388" ], "author": { "name": "Christoph Lameter", "email": "clameter@engr.sgi.com", "time": "Wed Feb 01 03:05:34 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Feb 01 08:53:16 2006 -0800" }, "message": "[PATCH] Zone reclaim: Allow modification of zone reclaim behavior\n\nIn some situations one may want zone_reclaim to behave differently. For\nexample a process writing large amounts of memory will spew unto other nodes\nto cache the writes if many pages in a zone become dirty. This may impact the\nperformance of processes running on other nodes.\n\nAllowing writes during reclaim puts a stop to that behavior and throttles the\nprocess by restricting the pages to the local zone.\n\nSimilarly one may want to contain processes to local memory by enabling\nregular swap behavior during zone_reclaim. Off node memory allocation can\nthen be controlled through memory policies and cpusets.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "2a11ff06d7d12be5d1bbcf592fff649b45ac2388", "tree": "cef86d3f60b6ae5b3dab277a554a92a8e08d903b", "parents": [ "a92f71263af9d0ab77c260f709c0c079656221aa" ], "author": { "name": "Christoph Lameter", "email": "clameter@engr.sgi.com", "time": "Wed Feb 01 03:05:33 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Feb 01 08:53:16 2006 -0800" }, "message": "[PATCH] zone_reclaim: configurable off node allocation period.\n\nCurrently the zone_reclaim code has a fixed window of 30 seconds of off node\nallocations should a local zone have no unused pagecache pages left. Reclaim\nwill be attempted again after this timeout period to avoid repeated useless\nscans for memory. This is also useful to established sufficiently large off\nnode allocation chunks to relieve the local node.\n\nIt may be beneficial to adjust that time period for some special situations.\nFor example if memory use was exceeding node capacity one may want to give up\nfor longer periods of time. If memory spikes intermittendly then one may want\nto shorten the time period to reduce the number of off node allocations.\n\nThis patch allows just that....\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1743660b911bfb849b1fb33830522254561b9f9b", "tree": "82bfd84f534e7a571667916f90e2492c7148cbac", "parents": [ "9eeff2395e3cfd05c9b2e6074ff943a34b0c5c21" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Wed Jan 18 17:42:32 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Jan 18 19:20:17 2006 -0800" }, "message": "[PATCH] Zone reclaim: proc override\n\nproc support for zone reclaim\n\nThis patch creates a proc entry /proc/sys/vm/zone_reclaim_mode that may be\nused to override the automatic determination of the zone reclaim made on\nbootup.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "8ad4b1fb8205340dba16b63467bb23efc27264d6", "tree": "9f5c237ead93976e5454c5da5d3bba350a2419c5", "parents": [ "9d0243bca345d5ce25d3f4b74b7facb3a6df1232" ], "author": { "name": "Rohit Seth", "email": "rohit.seth@intel.com", "time": "Sun Jan 08 01:00:40 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Jan 08 20:12:40 2006 -0800" }, "message": "[PATCH] Make high and batch sizes of per_cpu_pagelists configurable\n\nAs recently there has been lot of traffic on the right values for batch and\nhigh water marks for per_cpu_pagelists. This patch makes these two\nvariables configurable through /proc interface.\n\nA new tunable /proc/sys/vm/percpu_pagelist_fraction is added. This entry\ncontrols the fraction of pages at most in each zone that are allocated for\neach per cpu page list. The min value for this is 8. It means that we\ndon\u0027t allow more than 1/8th of pages in each zone to be allocated in any\nsingle per_cpu_pagelist.\n\nThe batch value of each per cpu pagelist is also updated as a result. It\nis set to pcp-\u003ehigh/4. The upper limit of batch is (PAGE_SHIFT * 8)\n\nSigned-off-by: Rohit Seth \u003crohit.seth@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "9d0243bca345d5ce25d3f4b74b7facb3a6df1232", "tree": "a3a0a763bf83a483282dc1c3caab587941a98fc2", "parents": [ "bec6b0c89b234090681a4516e20ac5debe3e7c59" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Sun Jan 08 01:00:39 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Jan 08 20:12:40 2006 -0800" }, "message": "[PATCH] drop-pagecache\n\nAdd /proc/sys/vm/drop_caches. When written to, this will cause the kernel to\ndiscard as much pagecache and/or reclaimable slab objects as it can. THis\noperation requires root permissions.\n\nIt won\u0027t drop dirty data, so the user should run `sync\u0027 first.\n\nCaveats:\n\na) Holds inode_lock for exorbitant amounts of time.\n\nb) Needs to be taught about NUMA nodes: propagate these all the way through\n so the discarding can be controlled on a per-node basis.\n\nThis is a debugging feature: useful for getting consistent results between\nfilesystem benchmarks. We could possibly put it under a config option, but\nit\u0027s less than 300 bytes.\n\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "tree": "0bba044c4ce775e45a88a51686b5d9f90697ea9d", "parents": [], "author": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sat Apr 16 15:20:36 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sat Apr 16 15:20:36 2005 -0700" }, "message": "Linux-2.6.12-rc2\n\nInitial git repository build. I\u0027m not bothering with the full history,\neven though we have it. We can create a separate \"historical\" git\narchive of that later if we want to, and in the meantime it\u0027s about\n3.2GB when imported into git - space that would just make the early\ngit days unnecessarily complicated, when we don\u0027t have a lot of good\ninfrastructure for it.\n\nLet it rip!\n" } ] }