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mm: convert return type of handle_mm_fault() caller 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.

Ref-> commit 1c8f422059 ("mm: change return type to vm_fault_t")

In this patch all the caller of handle_mm_fault() are changed to return
vm_fault_t type.

Link: http://lkml.kernel.org/r/20180617084810.GA6730@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: Vineet Gupta <[email protected]>
Cc: Russell King <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Richard Kuo <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Ley Foon Tan <[email protected]>
Cc: Jonas Bonn <[email protected]>
Cc: James E.J. Bottomley <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Richard Weinberger <[email protected]>
Cc: Guan Xuetao <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: "Levin, Alexander (Sasha Levin)" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Souptick Joarder 2018-08-17 15:44:47 -07:00 • committed by Linus Torvalds
commit 50a7ca3c6f
32 changed files with 69 additions and 51 deletions
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3
arch/alpha/mm/fault.c
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@ -87,7 +87,8 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
struct vm_area_struct * vma;
struct mm_struct *mm = current->mm;
const struct exception_table_entry *fixup;
int fault, si_code = SEGV_MAPERR;
int si_code = SEGV_MAPERR;
vm_fault_t fault;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
/* As of EV6, a load into $31/$f31 is a prefetch, and never faults