From 222100eed264ba9d640af9977bffb6fcb6f11ea3 Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Wed, 1 Apr 2020 21:07:52 -0700 Subject: mm/vma: make is_vma_temporary_stack() available for general use Currently the declaration and definition for is_vma_temporary_stack() are scattered. Lets make is_vma_temporary_stack() helper available for general use and also drop the declaration from (include/linux/huge_mm.h) which is no longer required. While at this, rename this as vma_is_temporary_stack() in line with existing helpers. This should not cause any functional change. Signed-off-by: Anshuman Khandual Signed-off-by: Andrew Morton Acked-by: Vlastimil Babka Cc: Ingo Molnar Cc: Michael Ellerman Cc: Paul Mackerras Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1582782965-3274-4-git-send-email-anshuman.khandual@arm.com Signed-off-by: Linus Torvalds --- mm/rmap.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) (limited to 'mm/rmap.c') diff --git a/mm/rmap.c b/mm/rmap.c index e45b9b991e2f..779e78b17ae7 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1699,23 +1699,9 @@ discard: return ret; } -bool is_vma_temporary_stack(struct vm_area_struct *vma) -{ - int maybe_stack = vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP); - - if (!maybe_stack) - return false; - - if ((vma->vm_flags & VM_STACK_INCOMPLETE_SETUP) == - VM_STACK_INCOMPLETE_SETUP) - return true; - - return false; -} - static bool invalid_migration_vma(struct vm_area_struct *vma, void *arg) { - return is_vma_temporary_stack(vma); + return vma_is_temporary_stack(vma); } static int page_mapcount_is_zero(struct page *page) -- cgit v1.2.3-59-g8ed1b