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author | Dave Airlie <airlied@starflyer.(none)> | 2005-10-20 18:21:33 +1000 |
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committer | Dave Airlie <airlied@linux.ie> | 2005-10-20 18:21:33 +1000 |
commit | 312f5726055534be1dc9dd369be13aabd2943fcb (patch) | |
tree | 29394a3f83b4952a73b36a4aa962dfeda839e9db /include/linux/hugetlb.h | |
parent | 3d5efad953c6d5ba11d5bcb584ef8e906f953a73 (diff) | |
parent | 93918e9afc76717176e9e114e79cdbb602a45ae8 (diff) | |
download | kernel_samsung_smdk4412-312f5726055534be1dc9dd369be13aabd2943fcb.zip kernel_samsung_smdk4412-312f5726055534be1dc9dd369be13aabd2943fcb.tar.gz kernel_samsung_smdk4412-312f5726055534be1dc9dd369be13aabd2943fcb.tar.bz2 |
merge Linus head tree into my drm tree and fix up conflicts
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r-- | include/linux/hugetlb.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index e670b0d..42cb7d70 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -155,11 +155,24 @@ static inline void set_file_hugepages(struct file *file) { file->f_op = &hugetlbfs_file_operations; } + +static inline int valid_hugetlb_file_off(struct vm_area_struct *vma, + unsigned long address) +{ + struct inode *inode = vma->vm_file->f_dentry->d_inode; + loff_t file_off = address - vma->vm_start; + + file_off += (vma->vm_pgoff << PAGE_SHIFT); + + return (file_off < inode->i_size); +} + #else /* !CONFIG_HUGETLBFS */ #define is_file_hugepages(file) 0 #define set_file_hugepages(file) BUG() #define hugetlb_zero_setup(size) ERR_PTR(-ENOSYS) +#define valid_hugetlb_file_off(vma, address) 0 #endif /* !CONFIG_HUGETLBFS */ |