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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-01-30 13:34:11 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:34:11 +0100 |
| commit | e3ed910db221768f8fd6192b13373e17d61bcdf0 (patch) | |
| tree | 67a5eed4709a4b1b38e952af5bfc0340f78703af /arch/x86/mm/fault.c | |
| parent | fa28ba21cec24d3fa1279bcae7e5d5ff6224635a (diff) | |
| download | lwn-e3ed910db221768f8fd6192b13373e17d61bcdf0.tar.gz lwn-e3ed910db221768f8fd6192b13373e17d61bcdf0.zip | |
x86: use the same pgd_list for PAE and 64-bit
Use a standard list threaded through page->lru for maintaining the pgd
list on PAE. This is the same as 64-bit, and seems saner than using a
non-standard list via page->index.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 72547a7e32c6..e28cc5277b16 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -907,10 +907,8 @@ do_sigbus: force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk); } -#ifdef CONFIG_X86_64 DEFINE_SPINLOCK(pgd_lock); LIST_HEAD(pgd_list); -#endif void vmalloc_sync_all(void) { @@ -935,13 +933,11 @@ void vmalloc_sync_all(void) struct page *page; spin_lock_irqsave(&pgd_lock, flags); - for (page = pgd_list; page; page = - (struct page *)page->index) + list_for_each_entry(page, &pgd_list, lru) { if (!vmalloc_sync_one(page_address(page), - address)) { - BUG_ON(page != pgd_list); + address)) break; - } + } spin_unlock_irqrestore(&pgd_lock, flags); if (!page) set_bit(pgd_index(address), insync); |