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Revert "mm: introduce __page_add_new_anon_rmap()"

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This reverts commit d56126780c.

Bug: 128240262
Change-Id: Ia5a417e52de006fba4f8b1b51d9ae4db36fd9035
Signed-off-by: Minchan Kim <minchan@google.com>
[dereference23: Forward port to msm-5.4]
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>
This commit is contained in:
Minchan Kim 2019-03-11 11:40:10 +09:00 • committed by Alexander Winkowski
commit 7ec1f37926
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GPG key ID: 72762A66704CDE44
3 changed files with 9 additions and 16 deletions
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12
include/linux/rmap.h
View file

@ -198,16 +198,8 @@ void page_add_anon_rmap(struct page *, struct vm_area_struct *,
unsigned long, bool);
void do_page_add_anon_rmap(struct page *, struct vm_area_struct *,
unsigned long, int);
void __page_add_new_anon_rmap(struct page *page, struct vm_area_struct *vma,
unsigned long address, bool compound);
static inline void page_add_new_anon_rmap(struct page *page,
struct vm_area_struct *vma,
unsigned long address, bool compound)
{
VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
__page_add_new_anon_rmap(page, vma, address, compound);
}
void page_add_new_anon_rmap(struct page *, struct vm_area_struct *,
unsigned long, bool);
void page_add_file_rmap(struct page *, bool);
void page_remove_rmap(struct page *, bool);

8
mm/memory.c
View file

@ -2585,7 +2585,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
* thread doing COW.
*/
ptep_clear_flush_notify(vma, vmf->address, vmf->pte);
__page_add_new_anon_rmap(new_page, vma, vmf->address, false);
page_add_new_anon_rmap(new_page, vma, vmf->address, false);
mem_cgroup_commit_charge(new_page, memcg, false, false);
__lru_cache_add_active_or_unevictable(new_page, vmf->vma_flags);
/*
@ -3145,7 +3145,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
/* ksm created a completely new copy */
if (unlikely(page != swapcache && swapcache)) {
__page_add_new_anon_rmap(page, vma, vmf->address, false);
page_add_new_anon_rmap(page, vma, vmf->address, false);
mem_cgroup_commit_charge(page, memcg, false, false);
__lru_cache_add_active_or_unevictable(page, vmf->vma_flags);
} else {
@ -3296,7 +3296,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
}
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
__page_add_new_anon_rmap(page, vma, vmf->address, false);
page_add_new_anon_rmap(page, vma, vmf->address, false);
mem_cgroup_commit_charge(page, memcg, false, false);
__lru_cache_add_active_or_unevictable(page, vmf->vma_flags);
setpte:
@ -3575,7 +3575,7 @@ vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
/* copy-on-write page */
if (write && !(vmf->vma_flags & VM_SHARED)) {
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
__page_add_new_anon_rmap(page, vma, vmf->address, false);
page_add_new_anon_rmap(page, vma, vmf->address, false);
mem_cgroup_commit_charge(page, memcg, false, false);
__lru_cache_add_active_or_unevictable(page, vmf->vma_flags);
} else {

5
mm/rmap.c
View file

@ -1150,7 +1150,7 @@ void do_page_add_anon_rmap(struct page *page,
}
/**
* __page_add_new_anon_rmap - add pte mapping to a new anonymous page
* page_add_new_anon_rmap - add pte mapping to a new anonymous page
* @page: the page to add the mapping to
* @vma: the vm area in which the mapping is added
* @address: the user virtual address mapped
@ -1160,11 +1160,12 @@ void do_page_add_anon_rmap(struct page *page,
* This means the inc-and-test can be bypassed.
* Page does not have to be locked.
*/
void __page_add_new_anon_rmap(struct page *page,
void page_add_new_anon_rmap(struct page *page,
struct vm_area_struct *vma, unsigned long address, bool compound)
{
int nr = compound ? hpage_nr_pages(page) : 1;
VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
__SetPageSwapBacked(page);
if (compound) {
VM_BUG_ON_PAGE(!PageTransHuge(page), page);