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| author | James Morris <jmorris@namei.org> | 2009-05-22 18:40:59 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-05-22 18:40:59 +1000 |
| commit | 2c9e703c618106f5383226fbb1f526cb11034f8a (patch) | |
| tree | 87d7548001ea82f655fede0640466fc16aabcdf7 /mm/mmzone.c | |
| parent | 6470c077cae12227318f40f3e6d756caadcce4b0 (diff) | |
| parent | 5805977e63a36ad56594a623f3bd2bebcb7db233 (diff) | |
Merge branch 'master' into next
Conflicts:
fs/exec.c
Removed IMA changes (the IMA checks are now performed via may_open()).
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'mm/mmzone.c')
| -rw-r--r-- | mm/mmzone.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mm/mmzone.c b/mm/mmzone.c index 16ce8b955dc..f5b7d176021 100644 --- a/mm/mmzone.c +++ b/mm/mmzone.c @@ -6,6 +6,7 @@ #include <linux/stddef.h> +#include <linux/mm.h> #include <linux/mmzone.h> #include <linux/module.h> @@ -72,3 +73,17 @@ struct zoneref *next_zones_zonelist(struct zoneref *z, *zone = zonelist_zone(z); return z; } + +#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL +int memmap_valid_within(unsigned long pfn, + struct page *page, struct zone *zone) +{ + if (page_to_pfn(page) != pfn) + return 0; + + if (page_zone(page) != zone) + return 0; + + return 1; +} +#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ |