The patch titled
Subject: drivers/android/binder_alloc.c: replace vm_insert_page with vmf_insert_page
has been added to the -mm tree. Its filename is
android-binder-replace-vm_insert_page-with-vmf_insert_page.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/android-binder-replace-vm_insert_page-with-vmf_insert_page.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/android-binder-replace-vm_insert_page-with-vmf_insert_page.patch
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------------------------------------------------------
From: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Subject: drivers/android/binder_alloc.c: replace vm_insert_page with vmf_insert_page
There is a plan to replace vm_insert_page with new API vmf_insert_page.
As part of it, converting vm_insert_page to use vmf_insert_page.
Link: http://lkml.kernel.org/r/20180920172528.GA22480@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Arve Hjønnevåg <arve@xxxxxxxxxxx>
Cc: Todd Kjos <tkjos@xxxxxxxxxxx>
Cc: Martijn Coenen <maco@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN drivers/android/binder_alloc.c~android-binder-replace-vm_insert_page-with-vmf_insert_page drivers/android/binder_alloc.c
--- a/drivers/android/binder_alloc.c~android-binder-replace-vm_insert_page-with-vmf_insert_page
+++ a/drivers/android/binder_alloc.c
@@ -238,6 +238,7 @@ static int binder_update_page_range(stru
int ret;
bool on_lru;
size_t index;
+ vm_fault_t vmf;
index = (page_addr - alloc->buffer) / PAGE_SIZE;
page = &alloc->pages[index];
@@ -279,8 +280,8 @@ static int binder_update_page_range(stru
}
user_page_addr =
(uintptr_t)page_addr + alloc->user_buffer_offset;
- ret = vm_insert_page(vma, user_page_addr, page[0].page_ptr);
- if (ret) {
+ vmf = vmf_insert_page(vma, user_page_addr, page[0].page_ptr);
+ if (vmf != VM_FAULT_NOPAGE) {
pr_err("%d: binder_alloc_buf failed to map page at %lx in userspace\n",
alloc->pid, user_page_addr);
goto err_vm_insert_page_failed;
_
Patches currently in -mm which might be from jrdr.linux@xxxxxxxxx are
fs-iomap-change-return-type-to-vm_fault_t.patch
mm-conveted-to-use-vm_fault_t.patch
fs-proc-vmcorec-convert-to-use-vmf_error.patch
android-binder-replace-vm_insert_page-with-vmf_insert_page.patch
