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authorYinghai Lu <yhlu.kernel.send@gmail.com>2008-04-12 01:19:24 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-26 22:51:09 +0200
commitc2b91e2eec9678dbda274e906cc32ea8f711da3b (patch)
treefd9e9799078c65c8282ca3a996e6c3bd9e94fa4c /mm/sparse.c
parent1a27fc0a42162964d758e9d36d2d1b49c082a67c (diff)
downloadlinux-c2b91e2eec9678dbda274e906cc32ea8f711da3b.tar.gz
x86_64/mm: check and print vmemmap allocation continuous
On big systems with lots of memory, don't print out too much during bootup, and make it easy to find if it is continuous. on 256G 8 sockets system will get [ffffe20000000000-ffffe20002bfffff] PMD -> [ffff810001400000-ffff810003ffffff] on node 0 [ffffe2001c700000-ffffe2001c7fffff] potential offnode page_structs [ffffe20002c00000-ffffe2001c7fffff] PMD -> [ffff81000c000000-ffff8100255fffff] on node 0 [ffffe20038700000-ffffe200387fffff] potential offnode page_structs [ffffe2001c800000-ffffe200387fffff] PMD -> [ffff810820200000-ffff81083c1fffff] on node 1 [ffffe20040000000-ffffe2007fffffff] PUD ->ffff811027a00000 on node 2 [ffffe20038800000-ffffe2003fffffff] PMD -> [ffff811020200000-ffff8110279fffff] on node 2 [ffffe20054700000-ffffe200547fffff] potential offnode page_structs [ffffe20040000000-ffffe200547fffff] PMD -> [ffff811027c00000-ffff81103c3fffff] on node 2 [ffffe20070700000-ffffe200707fffff] potential offnode page_structs [ffffe20054800000-ffffe200707fffff] PMD -> [ffff811820200000-ffff81183c1fffff] on node 3 [ffffe20080000000-ffffe200bfffffff] PUD ->ffff81202fa00000 on node 4 [ffffe20070800000-ffffe2007fffffff] PMD -> [ffff812020200000-ffff81202f9fffff] on node 4 [ffffe2008c700000-ffffe2008c7fffff] potential offnode page_structs [ffffe20080000000-ffffe2008c7fffff] PMD -> [ffff81202fc00000-ffff81203c3fffff] on node 4 [ffffe200a8700000-ffffe200a87fffff] potential offnode page_structs [ffffe2008c800000-ffffe200a87fffff] PMD -> [ffff812820200000-ffff81283c1fffff] on node 5 [ffffe200c0000000-ffffe200ffffffff] PUD ->ffff813037a00000 on node 6 [ffffe200a8800000-ffffe200bfffffff] PMD -> [ffff813020200000-ffff8130379fffff] on node 6 [ffffe200c4700000-ffffe200c47fffff] potential offnode page_structs [ffffe200c0000000-ffffe200c47fffff] PMD -> [ffff813037c00000-ffff81303c3fffff] on node 6 [ffffe200c4800000-ffffe200e07fffff] PMD -> [ffff813820200000-ffff81383c1fffff] on node 7 instead of a very long print out... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'mm/sparse.c')
-rw-r--r--mm/sparse.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index 458109b99e6..7e9191381f8 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -295,6 +295,9 @@ struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
return NULL;
}
+void __attribute__((weak)) __meminit vmemmap_populate_print_last(void)
+{
+}
/*
* Allocate the accumulated non-linear sections, allocate a mem_map
* for each and record the physical to section mapping.
@@ -345,6 +348,8 @@ void __init sparse_init(void)
usemap);
}
+ vmemmap_populate_print_last();
+
free_bootmem(__pa(usemap_map), size);
}