summaryrefslogtreecommitdiffstats
path: root/arch/loongarch/mm/mmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/loongarch/mm/mmap.c')
-rw-r--r--arch/loongarch/mm/mmap.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/loongarch/mm/mmap.c b/arch/loongarch/mm/mmap.c
index 89af7c12e8c0..1df9e99582cc 100644
--- a/arch/loongarch/mm/mmap.c
+++ b/arch/loongarch/mm/mmap.c
@@ -3,6 +3,7 @@
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
+#include <linux/hugetlb.h>
#include <linux/io.h>
#include <linux/kfence.h>
#include <linux/memblock.h>
@@ -25,7 +26,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
struct vm_area_struct *vma;
unsigned long addr = addr0;
int do_color_align;
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
if (unlikely(len > TASK_SIZE))
return -ENOMEM;
@@ -63,8 +64,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
}
info.length = len;
- info.align_mask = do_color_align ? (PAGE_MASK & SHM_ALIGN_MASK) : 0;
info.align_offset = pgoff << PAGE_SHIFT;
+ if (filp && is_file_hugepages(filp))
+ info.align_mask = huge_page_mask_align(filp);
+ else
+ info.align_mask = do_color_align ? (PAGE_MASK & SHM_ALIGN_MASK) : 0;
if (dir == DOWN) {
info.flags = VM_UNMAPPED_AREA_TOPDOWN;
@@ -83,14 +87,14 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
*/
}
- info.flags = 0;
info.low_limit = mm->mmap_base;
info.high_limit = TASK_SIZE;
return vm_unmapped_area(&info);
}
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr0,
- unsigned long len, unsigned long pgoff, unsigned long flags)
+ unsigned long len, unsigned long pgoff, unsigned long flags,
+ vm_flags_t vm_flags)
{
return arch_get_unmapped_area_common(filp,
addr0, len, pgoff, flags, UP);
@@ -102,7 +106,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr0,
*/
unsigned long arch_get_unmapped_area_topdown(struct file *filp,
unsigned long addr0, unsigned long len, unsigned long pgoff,
- unsigned long flags)
+ unsigned long flags, vm_flags_t vm_flags)
{
return arch_get_unmapped_area_common(filp,
addr0, len, pgoff, flags, DOWN);