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powerpc/mm: Add PG_dcache_clean to indicate dcache clean state

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This just add a better name for PG_arch_1. No functional change in this patch.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210203045812.234439-2-aneesh.kumar@linux.ibm.com
This commit is contained in:
Aneesh Kumar K.V
2021-02-03 10:28:11 +05:30
committed by Michael Ellerman
parent c7ba2d6363
commit ec94b9b23d
5 changed files with 19 additions and 13 deletions
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4
arch/powerpc/mm/book3s64/hash_utils.c
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@ -1144,10 +1144,10 @@ unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap)
page = pte_page(pte);
/* page is dirty */
if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) {
if (!test_bit(PG_dcache_clean, &page->flags) && !PageReserved(page)) {
if (trap == 0x400) {
flush_dcache_icache_page(page);
set_bit(PG_arch_1, &page->flags);
set_bit(PG_dcache_clean, &page->flags);
} else
pp |= HPTE_R_N;
}