Commit bfc4372b authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Andrew Morton
Browse files

powerpc: pmd_move_must_withdraw() is only needed for CONFIG_TRANSPARENT_HUGEPAGE 

This is required for the later patch "Makefile.extrawarn: turn on
missing-prototypes globally".

Link: https://lkml.kernel.org/r/20231127132809.45c2b398@canb.auug.org.au


Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Acked-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 0025aa93

arch/powerpc/mm/book3s64/pgtable.c

+2 −0
Original line number Diff line number Diff line
@@ -542,6 +542,7 @@ void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, 
	set_pte_at(vma->vm_mm, addr, ptep, pte);

}



#ifdef CONFIG_TRANSPARENT_HUGEPAGE

/*

 * For hash translation mode, we use the deposited table to store hash slot

 * information and they are stored at PTRS_PER_PMD offset from related pmd
@@ -563,6 +564,7 @@ int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, 


	return true;

}

#endif



/*

 * Does the CPU support tlbie?