[tip: x86/mm] x86/mm: Remove the unused set_memory_wt() function

[tip-bot2 for Christoph Hellwig]

The following commit has been merged into the x86/mm branch of tip:

Commit-ID:     aeb415fbe9f62e6db0fabd2023d39728ccc705fd
Gitweb:        https://git.kernel.org/tip/aeb415fbe9f62e6db0fabd2023d39728ccc705fd
Author:        Christoph Hellwig <hch@xxxxxx>
AuthorDate:    Mon, 26 Aug 2019 09:55:57 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 03 Sep 2019 09:26:37 +02:00

x86/mm: Remove the unused set_memory_wt() function

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190826075558.8125-5-hch@xxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/include/asm/set_memory.h |  1 -
 arch/x86/mm/pageattr.c            | 17 -----------------
 2 files changed, 18 deletions(-)

diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index fd549c3..2ee8e46 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -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);
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index d5586a0..0d09cc5 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -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 */