Signed-off-by: Ning Qu <quning@xxxxxxxxx> --- mm/Kconfig | 4 ++-- mm/shmem.c | 5 +++++ 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/mm/Kconfig b/mm/Kconfig index 562f12f..4d2f90f 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -428,8 +428,8 @@ config TRANSPARENT_HUGEPAGE_PAGECACHE help Enabling the option adds support hugepages for file-backed mappings. It requires transparent hugepage support from - filesystem side. For now, the only filesystem which supports - hugepages is ramfs. + filesystem side. For now, the filesystems which support + hugepages are: ramfs and tmpfs. config CROSS_MEMORY_ATTACH bool "Cross Memory Support" diff --git a/mm/shmem.c b/mm/shmem.c index 75c0ac6..50a3335 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1672,6 +1672,11 @@ static struct inode *shmem_get_inode(struct super_block *sb, const struct inode break; case S_IFREG: inode->i_mapping->a_ops = &shmem_aops; + /* + * TODO: make tmpfs pages movable + */ + mapping_set_gfp_mask(inode->i_mapping, + GFP_TRANSHUGE & ~__GFP_MOVABLE); inode->i_op = &shmem_inode_operations; inode->i_fop = &shmem_file_operations; mpol_shared_policy_init(&info->policy, -- 1.8.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>