[PATCH 6/6] ARM: cleanup early_paging_init() calling
Russell King
rmk+kernel at arm.linux.org.uk
Wed Apr 8 02:45:35 PDT 2015
Eliminate the needless nommu version of this function, and get rid of
the proc_info_list structure argument - we no longer need this in order
to fix up the page table entries.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
arch/arm/kernel/setup.c | 7 ++++---
arch/arm/mm/mmu.c | 6 ++----
arch/arm/mm/nommu.c | 9 ---------
3 files changed, 6 insertions(+), 16 deletions(-)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 6c777e908a24..979c1c5fe96a 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -75,8 +75,7 @@ __setup("fpe=", fpe_setup);
extern void init_default_cache_policy(unsigned long);
extern void paging_init(const struct machine_desc *desc);
-extern void early_paging_init(const struct machine_desc *,
- struct proc_info_list *);
+extern void early_paging_init(const struct machine_desc *);
extern void sanity_check_meminfo(void);
extern enum reboot_mode reboot_mode;
extern void setup_dma_zone(const struct machine_desc *desc);
@@ -936,7 +935,9 @@ void __init setup_arch(char **cmdline_p)
parse_early_param();
- early_paging_init(mdesc, lookup_processor_type(read_cpuid_id()));
+#ifdef CONFIG_MMU
+ early_paging_init(mdesc);
+#endif
setup_dma_zone(mdesc);
sanity_check_meminfo();
arm_memblock_init(mdesc);
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index addb7987c714..b2e96bc9d74a 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1396,8 +1396,7 @@ pgtables_remap lpae_pgtables_remap_asm;
* early_paging_init() recreates boot time page table setup, allowing machines
* to switch over to a high (>4G) address space on LPAE systems
*/
-void __init early_paging_init(const struct machine_desc *mdesc,
- struct proc_info_list *procinfo)
+void __init early_paging_init(const struct machine_desc *mdesc)
{
pgtables_remap *lpae_pgtables_remap;
unsigned long pa_pgd;
@@ -1460,8 +1459,7 @@ void __init early_paging_init(const struct machine_desc *mdesc,
#else
-void __init early_paging_init(const struct machine_desc *mdesc,
- struct proc_info_list *procinfo)
+void __init early_paging_init(const struct machine_desc *mdesc)
{
long long offset;
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index a014dfacd5ca..afd7e05d95f1 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -304,15 +304,6 @@ void __init sanity_check_meminfo(void)
}
/*
- * early_paging_init() recreates boot time page table setup, allowing machines
- * to switch over to a high (>4G) address space on LPAE systems
- */
-void __init early_paging_init(const struct machine_desc *mdesc,
- struct proc_info_list *procinfo)
-{
-}
-
-/*
* paging_init() sets up the page tables, initialises the zone memory
* maps, and sets up the zero page, bad page and bad page tables.
*/
--
1.8.3.1
More information about the linux-arm-kernel
mailing list