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misc: sgi-gru: Change return type to vm_fault_t

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Use new return type vm_fault_t for fault handler. 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.

Commit 1c8f422059 ("mm: change return type to vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Dimitri Sivanich <sivanich@hpe.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Souptick Joarder 2018-04-25 10:20:44 +05:30 committed by Greg Kroah-Hartman
parent 49cb93cb09
commit 1770a80f7d
2 changed files with 3 additions and 2 deletions
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2
drivers/misc/sgi-gru/grumain.c
View File

@ -926,7 +926,7 @@ again:
*
* Note: gru segments alway mmaped on GRU_GSEG_PAGESIZE boundaries.
*/
int gru_fault(struct vm_fault *vmf)
vm_fault_t gru_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct gru_thread_state *gts;

3
drivers/misc/sgi-gru/grutables.h
View File

@ -147,6 +147,7 @@
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/mmu_notifier.h>
#include <linux/mm_types.h>
#include "gru.h"
#include "grulib.h"
#include "gruhandles.h"
@ -665,7 +666,7 @@ extern unsigned long gru_reserve_cb_resources(struct gru_state *gru,
int cbr_au_count, char *cbmap);
extern unsigned long gru_reserve_ds_resources(struct gru_state *gru,
int dsr_au_count, char *dsmap);
extern int gru_fault(struct vm_fault *vmf);
extern vm_fault_t gru_fault(struct vm_fault *vmf);
extern struct gru_mm_struct *gru_register_mmu_notifier(void);
extern void gru_drop_mmu_notifier(struct gru_mm_struct *gms);