| Message ID | 20210629090405.1228030-1-liwei391@huawei.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | MIPS: Fix PKMAP with 32-bit MIPS huge page support | expand |
diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h index 292d0425717f..bf82e67869fa 100644 --- a/arch/mips/include/asm/highmem.h +++ b/arch/mips/include/asm/highmem.h @@ -36,7 +36,7 @@ extern pte_t *pkmap_page_table; * easily, subsequent pte tables have to be allocated in one physical * chunk of RAM. */ -#ifdef CONFIG_PHYS_ADDR_T_64BIT +#ifdef CONFIG_PHYS_ADDR_T_64BIT || CONFIG_MIPS_HUGE_TLB_SUPPORT #define LAST_PKMAP 512 #else #define LAST_PKMAP 1024
When 32-bit MIPS huge page support is enabled, we halve the number of pointers a PTE page holds, making its last half go to waste. Correspondingly, we should halve the number of kmap entries, as we just initialized only a single pte table for that in pagetable_init(). Fixes: 35476311e529 ("MIPS: Add partial 32-bit huge page support") Signed-off-by: Wei Li <liwei391@huawei.com> --- arch/mips/include/asm/highmem.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)