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mm/shmem.c: mark expected switch fall-through

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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Gustavo A. R. Silva 2017-11-15 17:38:45 -08:00 • committed by Linus Torvalds
commit c8402871d5
1 changed files with 1 additions and 0 deletions
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mm/shmem.c
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@ -4098,6 +4098,7 @@ bool shmem_huge_enabled(struct vm_area_struct *vma)
if (i_size >= HPAGE_PMD_SIZE &&
i_size >> PAGE_SHIFT >= off)
return true;
/* fall through */
case SHMEM_HUGE_ADVISE:
/* TODO: implement fadvise() hints */
return (vma->vm_flags & VM_HUGEPAGE);