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mm: Use static initialisers for immutable fields of 'struct vm_fault'

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In preparation for const-ifying the anonymous struct field of
'struct vm_fault', ensure that it is initialised using designated
initialisers.

Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Will Deacon
2021-01-14 15:42:14 +00:00
parent 2b635dd372
commit 8c63ca5bc3
2 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
mm/shmem.c
View File

@@ -1520,11 +1520,11 @@ static struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,
{ {
struct vm_area_struct pvma; struct vm_area_struct pvma;
struct page *page; struct page *page;
struct vm_fault vmf; struct vm_fault vmf = {
.vma = &pvma,
};
shmem_pseudo_vma_init(&pvma, info, index); shmem_pseudo_vma_init(&pvma, info, index);
vmf.vma = &pvma;
vmf.address = 0;
page = swap_cluster_readahead(swap, gfp, &vmf); page = swap_cluster_readahead(swap, gfp, &vmf);
shmem_pseudo_vma_destroy(&pvma); shmem_pseudo_vma_destroy(&pvma);

11
mm/swapfile.c
View File

@@ -1951,8 +1951,6 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
si = swap_info[type]; si = swap_info[type];
pte = pte_offset_map(pmd, addr); pte = pte_offset_map(pmd, addr);
do { do {
struct vm_fault vmf;
if (!is_swap_pte(*pte)) if (!is_swap_pte(*pte))
continue; continue;
@@ -1968,9 +1966,12 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
swap_map = &si->swap_map[offset]; swap_map = &si->swap_map[offset];
page = lookup_swap_cache(entry, vma, addr); page = lookup_swap_cache(entry, vma, addr);
if (!page) { if (!page) {
vmf.vma = vma; struct vm_fault vmf = {
vmf.address = addr; .vma = vma,
vmf.pmd = pmd; .address = addr,
.pmd = pmd,
};
page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE, page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
&vmf); &vmf);
} }