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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
| commit | 871cafcc962fa1655c44b4f0e54d4c5cc14e273c (patch) | |
| tree | fdb7bc65d2606c85b7be6c33ba0dfd5b4e472245 /arch/arm/mm/ioremap.c | |
| parent | cf2592f59c0e8ed4308adbdb2e0a88655379d579 (diff) | |
| parent | b578f3fcca1e78624dfb5f358776e63711d7fda2 (diff) | |
| download | linux-871cafcc962fa1655c44b4f0e54d4c5cc14e273c.tar.bz2 | |
Merge branch 'linus' into core/softlockup
Diffstat (limited to 'arch/arm/mm/ioremap.c')
| -rw-r--r-- | arch/arm/mm/ioremap.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 18373f73f2fc..9f88dd3be601 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -138,7 +138,7 @@ void __check_kvm_seq(struct mm_struct *mm) */ static void unmap_area_sections(unsigned long virt, unsigned long size) { - unsigned long addr = virt, end = virt + (size & ~SZ_1M); + unsigned long addr = virt, end = virt + (size & ~(SZ_1M - 1)); pgd_t *pgd; flush_cache_vunmap(addr, end); @@ -337,10 +337,7 @@ void __iounmap(volatile void __iomem *io_addr) void *addr = (void *)(PAGE_MASK & (unsigned long)io_addr); #ifndef CONFIG_SMP struct vm_struct **p, *tmp; -#endif - unsigned int section_mapping = 0; -#ifndef CONFIG_SMP /* * If this is a section based mapping we need to handle it * specially as the VM subsystem does not know how to handle @@ -352,11 +349,8 @@ void __iounmap(volatile void __iomem *io_addr) for (p = &vmlist ; (tmp = *p) ; p = &tmp->next) { if ((tmp->flags & VM_IOREMAP) && (tmp->addr == addr)) { if (tmp->flags & VM_ARM_SECTION_MAPPING) { - *p = tmp->next; unmap_area_sections((unsigned long)tmp->addr, tmp->size); - kfree(tmp); - section_mapping = 1; } break; } @@ -364,7 +358,6 @@ void __iounmap(volatile void __iomem *io_addr) write_unlock(&vmlist_lock); #endif - if (!section_mapping) - vunmap(addr); + vunmap(addr); } EXPORT_SYMBOL(__iounmap); |