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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/microblaze/mm/pgtable.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/microblaze/mm/pgtable.c')
-rw-r--r--arch/microblaze/mm/pgtable.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 59bf2335a4ce..d1c06d07fed8 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -37,6 +37,7 @@
#include <linux/io.h>
#include <asm/mmu.h>
#include <asm/sections.h>
+#include <asm/fixmap.h>
#define flush_HPTE(X, va, pg) _tlbie(va)
@@ -44,11 +45,6 @@ unsigned long ioremap_base;
unsigned long ioremap_bot;
EXPORT_SYMBOL(ioremap_bot);
-/* The maximum lowmem defaults to 768Mb, but this can be configured to
- * another value.
- */
-#define MAX_LOW_MEM CONFIG_LOWMEM_SIZE
-
#ifndef CONFIG_SMP
struct pgtable_cache_struct quicklists;
#endif
@@ -80,7 +76,7 @@ static void __iomem *__ioremap(phys_addr_t addr, unsigned long size,
!(p >= virt_to_phys((unsigned long)&__bss_stop) &&
p < virt_to_phys((unsigned long)__bss_stop))) {
printk(KERN_WARNING "__ioremap(): phys addr "PTE_FMT
- " is RAM lr %p\n", (unsigned long)p,
+ " is RAM lr %pf\n", (unsigned long)p,
__builtin_return_address(0));
return NULL;
}
@@ -171,7 +167,7 @@ void __init mapin_ram(void)
v = CONFIG_KERNEL_START;
p = memory_start;
- for (s = 0; s < memory_size; s += PAGE_SIZE) {
+ for (s = 0; s < lowmem_size; s += PAGE_SIZE) {
f = _PAGE_PRESENT | _PAGE_ACCESSED |
_PAGE_SHARED | _PAGE_HWEXEC;
if ((char *) v < _stext || (char *) v >= _etext)
@@ -254,3 +250,13 @@ __init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
}
return pte;
}
+
+void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
+{
+ unsigned long address = __fix_to_virt(idx);
+
+ if (idx >= __end_of_fixed_addresses)
+ BUG();
+
+ map_page(address, phys, pgprot_val(flags));
+}