search for: fixmap_base

Displaying 4 results from an estimated 4 matches for "fixmap_base".

2020 Nov 03
0
[patch V3 09/37] arc/mm/highmem: Use generic kmap atomic implementation
...hmem.h +++ b/arch/arc/include/asm/highmem.h @@ -9,17 +9,29 @@ #ifdef CONFIG_HIGHMEM #include <uapi/asm/page.h> -#include <asm/kmap_types.h> +#include <asm/kmap_size.h> + +#define FIXMAP_SIZE PGDIR_SIZE +#define PKMAP_SIZE PGDIR_SIZE /* start after vmalloc area */ #define FIXMAP_BASE (PAGE_OFFSET - FIXMAP_SIZE - PKMAP_SIZE) -#define FIXMAP_SIZE PGDIR_SIZE /* only 1 PGD worth */ -#define KM_TYPE_NR ((FIXMAP_SIZE >> PAGE_SHIFT)/NR_CPUS) -#define FIXMAP_ADDR(nr) (FIXMAP_BASE + ((nr) << PAGE_SHIFT)) + +#define FIX_KMAP_SLOTS (KM_MAX_IDX * NR_CPUS) +#define FIX_KMAP...
2020 Nov 03
45
[patch V3 00/37] mm/highmem: Preemptible variant of kmap_atomic & friends
Following up to the discussion in: https://lore.kernel.org/r/20200914204209.256266093 at linutronix.de and the second version of this: https://lore.kernel.org/r/20201029221806.189523375 at linutronix.de this series provides a preemptible variant of kmap_atomic & related interfaces. This is achieved by: - Removing the RT dependency from migrate_disable/enable() - Consolidating all
2020 Nov 03
45
[patch V3 00/37] mm/highmem: Preemptible variant of kmap_atomic & friends
Following up to the discussion in: https://lore.kernel.org/r/20200914204209.256266093 at linutronix.de and the second version of this: https://lore.kernel.org/r/20201029221806.189523375 at linutronix.de this series provides a preemptible variant of kmap_atomic & related interfaces. This is achieved by: - Removing the RT dependency from migrate_disable/enable() - Consolidating all
2020 Nov 03
45
[patch V3 00/37] mm/highmem: Preemptible variant of kmap_atomic & friends
Following up to the discussion in: https://lore.kernel.org/r/20200914204209.256266093 at linutronix.de and the second version of this: https://lore.kernel.org/r/20201029221806.189523375 at linutronix.de this series provides a preemptible variant of kmap_atomic & related interfaces. This is achieved by: - Removing the RT dependency from migrate_disable/enable() - Consolidating all