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fs/proc/vmcore.c: use new typedef vm_fault_t

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Use new return type vm_fault_t for fault handler in struct
vm_operations_struct.  For now, this is just documenting that the function
returns a VM_FAULT value rather than an errno.  Once all instances are
converted, vm_fault_t will become a distinct type.

See 1c8f422059 ("mm: change return type to vm_fault_t") for reference.

Link: http://lkml.kernel.org/r/20180702153325.GA3875@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <[email protected]>
Reviewed-by: Matthew Wilcox <[email protected]>
Cc: Ganesh Goudar <[email protected]>
Cc: Rahul Lakkireddy <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Souptick Joarder 2018-08-21 21:54:44 -07:00 • committed by Linus Torvalds
commit 36f062042b
1 changed files with 1 additions and 1 deletions
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2
fs/proc/vmcore.c
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@ -379,7 +379,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
* On s390 the fault handler is used for memory regions that can't be mapped
* directly with remap_pfn_range().
*/
static int mmap_vmcore_fault(struct vm_fault *vmf)
static vm_fault_t mmap_vmcore_fault(struct vm_fault *vmf)
{
#ifdef CONFIG_S390
struct address_space *mapping = vmf->vma->vm_file->f_mapping;