The shmem_is_huge() is now used to check if the top-level huge page is enabled,
thus rename it to reflect its usage.
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx>
---
include/linux/shmem_fs.h | 9 +++++----
mm/huge_memory.c | 5 +++--
mm/shmem.c | 15 ++++++++-------
3 files changed, 16 insertions(+), 13 deletions(-)
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 1d06b1e5408a..405ee8d3589a 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -111,14 +111,15 @@ extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end);
int shmem_unuse(unsigned int type);
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
- struct mm_struct *mm, unsigned long vm_flags);
+extern bool shmem_huge_global_enabled(struct inode *inode, pgoff_t index, bool shmem_huge_force,
+ struct mm_struct *mm, unsigned long vm_flags);
unsigned long shmem_allowable_huge_orders(struct inode *inode,
struct vm_area_struct *vma, pgoff_t index,
bool global_huge);
#else
-static __always_inline bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
- struct mm_struct *mm, unsigned long vm_flags)
+static __always_inline bool shmem_huge_global_enabled(struct inode *inode, pgoff_t index,
+ bool shmem_huge_force, struct mm_struct *mm,
+ unsigned long vm_flags)
{
return false;
}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f4be468e06a4..e8388ea33f50 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -160,8 +160,9 @@ unsigned long __thp_vma_allowable_orders(struct vm_area_struct *vma,
* own flags.
*/
if (!in_pf && shmem_file(vma->vm_file)) {
- bool global_huge = shmem_is_huge(file_inode(vma->vm_file), vma->vm_pgoff,
- !enforce_sysfs, vma->vm_mm, vm_flags);
+ bool global_huge = shmem_huge_global_enabled(file_inode(vma->vm_file),
+ vma->vm_pgoff, !enforce_sysfs,
+ vma->vm_mm, vm_flags);
if (!vma_is_anon_shmem(vma))
return global_huge ? orders : 0;
diff --git a/mm/shmem.c b/mm/shmem.c
index db7e9808830f..1445dcd39b6f 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -548,9 +548,9 @@ static bool shmem_confirm_swap(struct address_space *mapping,
static int shmem_huge __read_mostly = SHMEM_HUGE_NEVER;
-static bool __shmem_is_huge(struct inode *inode, pgoff_t index,
- bool shmem_huge_force, struct mm_struct *mm,
- unsigned long vm_flags)
+static bool __shmem_huge_global_enabled(struct inode *inode, pgoff_t index,
+ bool shmem_huge_force, struct mm_struct *mm,
+ unsigned long vm_flags)
{
loff_t i_size;
@@ -581,14 +581,15 @@ static bool __shmem_is_huge(struct inode *inode, pgoff_t index,
}
}
-bool shmem_is_huge(struct inode *inode, pgoff_t index,
+bool shmem_huge_global_enabled(struct inode *inode, pgoff_t index,
bool shmem_huge_force, struct mm_struct *mm,
unsigned long vm_flags)
{
if (HPAGE_PMD_ORDER > MAX_PAGECACHE_ORDER)
return false;
- return __shmem_is_huge(inode, index, shmem_huge_force, mm, vm_flags);
+ return __shmem_huge_global_enabled(inode, index, shmem_huge_force,
+ mm, vm_flags);
}
#if defined(CONFIG_SYSFS)
@@ -1156,7 +1157,7 @@ static int shmem_getattr(struct mnt_idmap *idmap,
STATX_ATTR_NODUMP);
generic_fillattr(idmap, request_mask, inode, stat);
- if (shmem_is_huge(inode, 0, false, NULL, 0))
+ if (shmem_huge_global_enabled(inode, 0, false, NULL, 0))
stat->blksize = HPAGE_PMD_SIZE;
if (request_mask & STATX_BTIME) {
@@ -2153,7 +2154,7 @@ static int shmem_get_folio_gfp(struct inode *inode, pgoff_t index,
return 0;
}
- huge = shmem_is_huge(inode, index, false, fault_mm,
+ huge = shmem_huge_global_enabled(inode, index, false, fault_mm,
vma ? vma->vm_flags : 0);
/* Find hugepage orders that are allowed for anonymous shmem. */
if (vma && vma_is_anon_shmem(vma))
--
2.39.3
