The patch titled
Subject: merge fix up for "mm/memremap_pages: convert to 'struct range'"
has been added to the -mm tree. Its filename is
mm-memremap_pages-convert-to-struct-range-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-memremap_pages-convert-to-struct-range-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-memremap_pages-convert-to-struct-range-fix.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Subject: merge fix up for "mm/memremap_pages: convert to 'struct range'"
Link: https://lkml.kernel.org/r/20200908200950.1368e71b@xxxxxxxxxxxxxxxx
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Cc: Roger Pau Monn <roger.pau@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/xen/unpopulated-alloc.c | 15 +++++++++------
fs/fuse/virtio_fs.c | 3 +--
2 files changed, 10 insertions(+), 8 deletions(-)
--- a/drivers/xen/unpopulated-alloc.c~mm-memremap_pages-convert-to-struct-range-fix
+++ a/drivers/xen/unpopulated-alloc.c
@@ -18,6 +18,7 @@ static unsigned int list_count;
static int fill_list(unsigned int nr_pages)
{
struct dev_pagemap *pgmap;
+ struct resource res;
void *vaddr;
unsigned int i, alloc_pages = round_up(nr_pages, PAGES_PER_SECTION);
int ret;
@@ -27,10 +28,10 @@ static int fill_list(unsigned int nr_pag
return -ENOMEM;
pgmap->type = MEMORY_DEVICE_GENERIC;
- pgmap->res.name = "Xen scratch";
- pgmap->res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+ res.name = "Xen scratch";
+ res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
- ret = allocate_resource(&iomem_resource, &pgmap->res,
+ ret = allocate_resource(&iomem_resource, &res,
alloc_pages * PAGE_SIZE, 0, -1,
PAGES_PER_SECTION * PAGE_SIZE, NULL, NULL);
if (ret < 0) {
@@ -38,6 +39,8 @@ static int fill_list(unsigned int nr_pag
kfree(pgmap);
return ret;
}
+ pgmap->range.start = res.start;
+ pgmap->range.end = res.end;
#ifdef CONFIG_XEN_HAVE_PVMMU
/*
@@ -50,12 +53,12 @@ static int fill_list(unsigned int nr_pag
* conflict with any devices.
*/
if (!xen_feature(XENFEAT_auto_translated_physmap)) {
- xen_pfn_t pfn = PFN_DOWN(pgmap->res.start);
+ xen_pfn_t pfn = PFN_DOWN(res.start);
for (i = 0; i < alloc_pages; i++) {
if (!set_phys_to_machine(pfn + i, INVALID_P2M_ENTRY)) {
pr_warn("set_phys_to_machine() failed, no memory added\n");
- release_resource(&pgmap->res);
+ release_resource(&res);
kfree(pgmap);
return -ENOMEM;
}
@@ -66,7 +69,7 @@ static int fill_list(unsigned int nr_pag
vaddr = memremap_pages(pgmap, NUMA_NO_NODE);
if (IS_ERR(vaddr)) {
pr_err("Cannot remap memory range\n");
- release_resource(&pgmap->res);
+ release_resource(&res);
kfree(pgmap);
return PTR_ERR(vaddr);
}
--- a/fs/fuse/virtio_fs.c~mm-memremap_pages-convert-to-struct-range-fix
+++ a/fs/fuse/virtio_fs.c
@@ -835,8 +835,7 @@ static int virtio_fs_setup_dax(struct vi
* initialize a struct resource from scratch (only the start
* and end fields will be used).
*/
- pgmap->res = (struct resource){
- .name = "virtio-fs dax window",
+ pgmap->range = (struct range){
.start = (phys_addr_t) cache_reg.addr,
.end = (phys_addr_t) cache_reg.addr + cache_reg.len - 1,
};
_
Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are
mm-memremap_pages-convert-to-struct-range-fix.patch
mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix-fix-fix.patch
