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| author | Ingo Molnar <mingo@elte.hu> | 2008-04-29 12:04:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-30 23:15:34 +0200 |
| commit | 2544a873ab2a1ee9196bb2f4b12c3afd44ec8a06 (patch) | |
| tree | 550fc0a894f96aa3635e6afb519e6e8e60c0bd8a | |
| parent | a4c863f497e640e049083e1b3a1f3723cb766da9 (diff) | |
| download | linux-2544a873ab2a1ee9196bb2f4b12c3afd44ec8a06.tar.bz2 | |
revert: "x86: ioremap(), extend check to all RAM pages"
Vegard Nossum reported a large (150 seconds) boot delay during bootup,
and bisected it to "x86: ioremap(), extend check to all RAM pages"
(commit bdd3cee2e4b). Revert this commit for now.
Bisected-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/mm/ioremap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 804de18abcc2..0be9f9c59aa6 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -148,8 +148,8 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, /* * Don't allow anybody to remap normal RAM that we're using.. */ - for (pfn = phys_addr >> PAGE_SHIFT; - (pfn << PAGE_SHIFT) < last_addr; pfn++) { + for (pfn = phys_addr >> PAGE_SHIFT; pfn < max_pfn_mapped && + (pfn << PAGE_SHIFT) < last_addr; pfn++) { int is_ram = page_is_ram(pfn); |