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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 10:38:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 10:38:45 -0800 |
| commit | 46bbffad54bd48bb809f2691c1970a79a588976b (patch) | |
| tree | 21779a574f118b1cba5d6832bc0a0fa3bee97075 /include/linux | |
| parent | 85fe20bfd415af0a2e93bd1166533d4a6eb591ea (diff) | |
| parent | c1fd1b43831fa20c91cdd461342af8edf2e87c2f (diff) | |
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, mm: Unify kernel_physical_mapping_init() API
x86, mm: Allow highmem user page tables to be disabled at boot time
x86: Do not reserve brk for DMI if it's not going to be used
x86: Convert tlbstate_lock to raw_spinlock
x86: Use the generic page_is_ram()
x86: Remove BIOS data range from e820
Move page_is_ram() declaration to mm.h
Generic page_is_ram: use __weak
resources: introduce generic page_is_ram()
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 60c467bfbab..8b2fa8593c6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -265,6 +265,8 @@ static inline int get_page_unless_zero(struct page *page) return atomic_inc_not_zero(&page->_count); } +extern int page_is_ram(unsigned long pfn); + /* Support for virtually mapped pages */ struct page *vmalloc_to_page(const void *addr); unsigned long vmalloc_to_pfn(const void *addr); |