diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-25 13:08:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-25 13:08:16 +0200 |
commit | 10a010f6953b5a14ba2f0be40a4fce1bea220875 (patch) | |
tree | 19aadf718c796bc7fae0a1a1c970d84d67c541d4 /arch/um/kernel/mem.c | |
parent | 510b37258dfd61693ca6c039865c78bd996e3718 (diff) | |
parent | fb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff) |
Merge branch 'linus' into x86/x2apic
Conflicts:
drivers/pci/dmar.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/um/kernel/mem.c')
-rw-r--r-- | arch/um/kernel/mem.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index b0ee64622ff..e2274ef3155 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -21,7 +21,7 @@ /* allocated in paging_init, zeroed in mem_init, and unchanged thereafter */ unsigned long *empty_zero_page = NULL; /* allocated in paging_init and unchanged thereafter */ -unsigned long *empty_bad_page = NULL; +static unsigned long *empty_bad_page = NULL; /* * Initialized during boot, and readonly for initializing page tables @@ -240,37 +240,6 @@ void __init paging_init(void) #endif } -struct page *arch_validate(struct page *page, gfp_t mask, int order) -{ - unsigned long addr, zero = 0; - int i; - - again: - if (page == NULL) - return page; - if (PageHighMem(page)) - return page; - - addr = (unsigned long) page_address(page); - for (i = 0; i < (1 << order); i++) { - current->thread.fault_addr = (void *) addr; - if (__do_copy_to_user((void __user *) addr, &zero, - sizeof(zero), - ¤t->thread.fault_addr, - ¤t->thread.fault_catcher)) { - if (!(mask & __GFP_WAIT)) - return NULL; - else break; - } - addr += PAGE_SIZE; - } - - if (i == (1 << order)) - return page; - page = alloc_pages(mask, order); - goto again; -} - /* * This can't do anything because nothing in the kernel image can be freed * since it's not in kernel physical memory. |