Messages in this thread Patch in this message | | | Date | Mon, 21 Oct 2013 14:49:20 -0700 | From | Ning Qu <> | Subject | [PATCHv2 12/13] mm, thp, tmpfs: enable thp page cache in tmpfs |
| |
From inode, mark to enable thp in the page cache for tmpfs
Signed-off-by: Ning Qu <quning@gmail.com> --- 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 c42331a..391c4eb 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1655,6 +1655,11 @@ 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); inode->i_op = &shmem_inode_operations; inode->i_fop = &shmem_file_operations; mpol_shared_policy_init(&info->policy, -- 1.8.4
| |