diff options
author | Daiane Angolini <daiane.angolini@foundries.io> | 2022-11-07 08:19:55 -0300 |
---|---|---|
committer | Daiane Angolini <daiane.angolini@foundries.io> | 2022-11-07 08:20:24 -0300 |
commit | 1db947108c27f7769c873f02c7af67e212d880a2 (patch) | |
tree | 2c2e32d8ad5c6d53acf93b22a825dc7a91b9cb2e /mm | |
parent | 5abdee26320fc69a8a445cc5944f6792648d2714 (diff) | |
parent | 374bf3fc1f53c6611c4ad98d11863344d375e2be (diff) |
Merge tag 'v5.15.61' into 5.15-2.1.x-imx
This is the 5.15.61 stable release
Conflicts:
arch/arm/boot/dts/imx6ul.dtsi
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h
Signed-off-by: Daiane Angolini <daiane.angolini@foundries.io>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/mempolicy.c | 2 | ||||
-rw-r--r-- | mm/memremap.c | 59 | ||||
-rw-r--r-- | mm/mmap.c | 1 |
3 files changed, 13 insertions, 49 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 9db0158155e1..4472be6f123d 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1389,7 +1389,7 @@ static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask, unsigned long bits = min_t(unsigned long, maxnode, BITS_PER_LONG); unsigned long t; - if (get_bitmap(&t, &nmask[maxnode / BITS_PER_LONG], bits)) + if (get_bitmap(&t, &nmask[(maxnode - 1) / BITS_PER_LONG], bits)) return -EFAULT; if (maxnode - bits >= MAX_NUMNODES) { diff --git a/mm/memremap.c b/mm/memremap.c index e77487375c8e..8d743cbc2964 100644 --- a/mm/memremap.c +++ b/mm/memremap.c @@ -112,30 +112,6 @@ static unsigned long pfn_next(unsigned long pfn) #define for_each_device_pfn(pfn, map, i) \ for (pfn = pfn_first(map, i); pfn < pfn_end(map, i); pfn = pfn_next(pfn)) -static void dev_pagemap_kill(struct dev_pagemap *pgmap) -{ - if (pgmap->ops && pgmap->ops->kill) - pgmap->ops->kill(pgmap); - else - percpu_ref_kill(pgmap->ref); -} - -static void dev_pagemap_cleanup(struct dev_pagemap *pgmap) -{ - if (pgmap->ops && pgmap->ops->cleanup) { - pgmap->ops->cleanup(pgmap); - } else { - wait_for_completion(&pgmap->done); - percpu_ref_exit(pgmap->ref); - } - /* - * Undo the pgmap ref assignment for the internal case as the - * caller may re-enable the same pgmap. - */ - if (pgmap->ref == &pgmap->internal_ref) - pgmap->ref = NULL; -} - static void pageunmap_range(struct dev_pagemap *pgmap, int range_id) { struct range *range = &pgmap->ranges[range_id]; @@ -167,14 +143,15 @@ void memunmap_pages(struct dev_pagemap *pgmap) unsigned long pfn; int i; - dev_pagemap_kill(pgmap); + percpu_ref_kill(&pgmap->ref); for (i = 0; i < pgmap->nr_range; i++) for_each_device_pfn(pfn, pgmap, i) put_page(pfn_to_page(pfn)); - dev_pagemap_cleanup(pgmap); + wait_for_completion(&pgmap->done); for (i = 0; i < pgmap->nr_range; i++) pageunmap_range(pgmap, i); + percpu_ref_exit(&pgmap->ref); WARN_ONCE(pgmap->altmap.alloc, "failed to free all reserved pages\n"); devmap_managed_enable_put(pgmap); @@ -188,8 +165,7 @@ static void devm_memremap_pages_release(void *data) static void dev_pagemap_percpu_release(struct percpu_ref *ref) { - struct dev_pagemap *pgmap = - container_of(ref, struct dev_pagemap, internal_ref); + struct dev_pagemap *pgmap = container_of(ref, struct dev_pagemap, ref); complete(&pgmap->done); } @@ -295,8 +271,8 @@ static int pagemap_range(struct dev_pagemap *pgmap, struct mhp_params *params, memmap_init_zone_device(&NODE_DATA(nid)->node_zones[ZONE_DEVICE], PHYS_PFN(range->start), PHYS_PFN(range_len(range)), pgmap); - percpu_ref_get_many(pgmap->ref, pfn_end(pgmap, range_id) - - pfn_first(pgmap, range_id)); + percpu_ref_get_many(&pgmap->ref, + pfn_end(pgmap, range_id) - pfn_first(pgmap, range_id)); return 0; err_add_memory: @@ -362,22 +338,11 @@ void *memremap_pages(struct dev_pagemap *pgmap, int nid) break; } - if (!pgmap->ref) { - if (pgmap->ops && (pgmap->ops->kill || pgmap->ops->cleanup)) - return ERR_PTR(-EINVAL); - - init_completion(&pgmap->done); - error = percpu_ref_init(&pgmap->internal_ref, - dev_pagemap_percpu_release, 0, GFP_KERNEL); - if (error) - return ERR_PTR(error); - pgmap->ref = &pgmap->internal_ref; - } else { - if (!pgmap->ops || !pgmap->ops->kill || !pgmap->ops->cleanup) { - WARN(1, "Missing reference count teardown definition\n"); - return ERR_PTR(-EINVAL); - } - } + init_completion(&pgmap->done); + error = percpu_ref_init(&pgmap->ref, dev_pagemap_percpu_release, 0, + GFP_KERNEL); + if (error) + return ERR_PTR(error); devmap_managed_enable_get(pgmap); @@ -486,7 +451,7 @@ struct dev_pagemap *get_dev_pagemap(unsigned long pfn, /* fall back to slow path lookup */ rcu_read_lock(); pgmap = xa_load(&pgmap_array, PHYS_PFN(phys)); - if (pgmap && !percpu_ref_tryget_live(pgmap->ref)) + if (pgmap && !percpu_ref_tryget_live(&pgmap->ref)) pgmap = NULL; rcu_read_unlock(); diff --git a/mm/mmap.c b/mm/mmap.c index 6bb553ed5c55..031fca1a7c65 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1878,7 +1878,6 @@ unmap_and_free_vma: /* Undo any partial mapping done by a device driver. */ unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end); - charged = 0; if (vm_flags & VM_SHARED) mapping_unmap_writable(file->f_mapping); free_vma: |