aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/sparc/mm/hugetlbpage.c
diff options
context:
space:
mode:
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /arch/sparc/mm/hugetlbpage.c
parentdma-buf: handle testing kthreads creation failure (diff)
parentMerge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff)
downloadwireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'arch/sparc/mm/hugetlbpage.c')
-rw-r--r--arch/sparc/mm/hugetlbpage.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index b432500c13a5..cc91ca7a1e18 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -31,17 +31,15 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp,
{
struct hstate *h = hstate_file(filp);
unsigned long task_size = TASK_SIZE;
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
if (test_thread_flag(TIF_32BIT))
task_size = STACK_TOP32;
- info.flags = 0;
info.length = len;
info.low_limit = TASK_UNMAPPED_BASE;
info.high_limit = min(task_size, VA_EXCLUDE_START);
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
- info.align_offset = 0;
addr = vm_unmapped_area(&info);
if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) {
@@ -63,7 +61,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
struct hstate *h = hstate_file(filp);
struct mm_struct *mm = current->mm;
unsigned long addr = addr0;
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
/* This should only ever run for 32-bit processes. */
BUG_ON(!test_thread_flag(TIF_32BIT));
@@ -73,7 +71,6 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
info.low_limit = PAGE_SIZE;
info.high_limit = mm->mmap_base;
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
- info.align_offset = 0;
addr = vm_unmapped_area(&info);
/*
@@ -123,7 +120,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
(!vma || addr + len <= vm_start_gap(vma)))
return addr;
}
- if (mm->get_unmapped_area == arch_get_unmapped_area)
+ if (!test_bit(MMF_TOPDOWN, &mm->flags))
return hugetlb_get_unmapped_area_bottomup(file, addr, len,
pgoff, flags);
else
@@ -407,18 +404,6 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
return entry;
}
-int pmd_huge(pmd_t pmd)
-{
- return !pmd_none(pmd) &&
- (pmd_val(pmd) & (_PAGE_VALID|_PAGE_PMD_HUGE)) != _PAGE_VALID;
-}
-
-int pud_huge(pud_t pud)
-{
- return !pud_none(pud) &&
- (pud_val(pud) & (_PAGE_VALID|_PAGE_PUD_HUGE)) != _PAGE_VALID;
-}
-
static void hugetlb_free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long addr)
{