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mm/pgtable: define pte_index so that preprocessor could recognize it
commit314c459a6f
upstream. Since commit974b9b2c68
("mm: consolidate pte_index() and pte_offset_*() definitions") pte_index is a static inline and there is no define for it that can be recognized by the preprocessor. As a result, vm_insert_pages() uses slower loop over vm_insert_page() instead of insert_pages() that amortizes the cost of spinlock operations when inserting multiple pages. Link: https://lkml.kernel.org/r/20220111145457.20748-1-rppt@kernel.org Fixes:974b9b2c68
("mm: consolidate pte_index() and pte_offset_*() definitions") Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Reported-by: Christian Dietrich <stettberger@dokucode.de> Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -44,6 +44,7 @@ static inline unsigned long pte_index(unsigned long address)
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{
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return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
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}
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#define pte_index pte_index
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#ifndef pmd_index
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static inline unsigned long pmd_index(unsigned long address)
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