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x86/mm: Remove the unused set_memory_wt() function 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190826075558.8125-5-hch@lst.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Christoph Hellwig 2019-08-26 09:55:57 +02:00 committed by Ingo Molnar
parent 185be15143
commit aeb415fbe9
2 changed files with 0 additions and 18 deletions
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1
arch/x86/include/asm/set_memory.h
View File

@ -40,7 +40,6 @@ int _set_memory_wt(unsigned long addr, int numpages);
int _set_memory_wb(unsigned long addr, int numpages);
int set_memory_uc(unsigned long addr, int numpages);
int set_memory_wc(unsigned long addr, int numpages);
int set_memory_wt(unsigned long addr, int numpages);
int set_memory_wb(unsigned long addr, int numpages);
int set_memory_np(unsigned long addr, int numpages);
int set_memory_4k(unsigned long addr, int numpages);

17
arch/x86/mm/pageattr.c
View File

@ -1858,23 +1858,6 @@ int _set_memory_wt(unsigned long addr, int numpages)
cachemode2pgprot(_PAGE_CACHE_MODE_WT), 0);
}
int set_memory_wt(unsigned long addr, int numpages)
{
int ret;
ret = reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
_PAGE_CACHE_MODE_WT, NULL);
if (ret)
return ret;
ret = _set_memory_wt(addr, numpages);
if (ret)
free_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE);
return ret;
}
EXPORT_SYMBOL_GPL(set_memory_wt);
int _set_memory_wb(unsigned long addr, int numpages)
{
/* WB cache mode is hard wired to all cache attribute bits being 0 */