BACKPORT: FROMGIT: mm: filemap: Fix microblaze build failure with 'mmu_defconfig'

Commit f9ce0be71d ("mm: Cleanup faultaround and finish_fault()
codepaths") added a call to 'update_mmu_cache()' in mm/filemap.c, which
breaks the build for microblaze:

  | mm/filemap.c: In function 'filemap_map_pages':
  | mm/filemap.c:3153:3: error: implicit declaration of function 'update_mmu_cache'; did you mean 'update_mmu_tlb'?

Include asm/tlbflush.h in mm/filemap.c to make sure that the function
(or indeed, macro) is available.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210209202449.GA104837@roeck-us.net
Signed-off-by: Will Deacon <will@kernel.org>
Change-Id: I5a3bdb285a909de6361f751c82eb347ddfb0cdee
Bug: 171278850
(cherry picked from commit de591a82f4
https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=for-next/faultaround)
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>

This commit is contained in:

Will Deacon

2021-02-10 11:15:11 +00:00

committed by

Will Deacon

parent 7f8d15e2e7

commit 906d350097

1 changed files with 1 additions and 0 deletions

									
										mm/filemap.c
									
		+1
		
												View File
												
				@@ -43,6 +43,7 @@

				#include <linux/ramfs.h>

				#include <linux/page_idle.h>

				#include <asm/pgalloc.h>

				#include <asm/tlbflush.h>

				#include "internal.h"

				#define CREATE_TRACE_POINTS