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| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 23:59:09 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-30 00:10:15 +0100 |
| commit | de65d816aa44f9ddd79861ae21d75010cc1fd003 (patch) | |
| tree | 04a637a43b2e52a733d0dcb7595a47057571e7da /mm/nobootmem.c | |
| parent | x86, mm: Let "memmap=" take more entries one time (diff) | |
| parent | x86, boot: Sanitize boot_params if not zeroed on creation (diff) | |
| download | linux-de65d816aa44f9ddd79861ae21d75010cc1fd003.tar.xz linux-de65d816aa44f9ddd79861ae21d75010cc1fd003.zip | |
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in
x86/boot.
Resolved Conflicts:
arch/x86/kernel/setup.c
mm/nobootmem.c
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'mm/nobootmem.c')
| -rw-r--r-- | mm/nobootmem.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c index ecc2f13d557d..03d152a76acf 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -137,6 +137,22 @@ unsigned long __init free_low_memory_core_early(int nodeid) return count; } +static void reset_node_lowmem_managed_pages(pg_data_t *pgdat) +{ + struct zone *z; + + /* + * In free_area_init_core(), highmem zone's managed_pages is set to + * present_pages, and bootmem allocator doesn't allocate from highmem + * zones. So there's no need to recalculate managed_pages because all + * highmem pages will be managed by the buddy system. Here highmem + * zone also includes highmem movable zone. + */ + for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++) + if (!is_highmem(z)) + z->managed_pages = 0; +} + /** * free_all_bootmem - release free pages to the buddy allocator * @@ -144,6 +160,11 @@ unsigned long __init free_low_memory_core_early(int nodeid) */ unsigned long __init free_all_bootmem(void) { + struct pglist_data *pgdat; + + for_each_online_pgdat(pgdat) + reset_node_lowmem_managed_pages(pgdat); + /* * We need to use MAX_NUMNODES instead of NODE_DATA(0)->node_id * because in some case like Node0 doesn't have RAM installed |