linux-kernel - [PATCH 3/4] x86/mm: Remove unused __set_memory

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Message-ID: <20241210184610.2080727-4-kevin.brodsky@arm.com>
Date: Tue, 10 Dec 2024 18:46:09 +0000
From: Kevin Brodsky <kevin.brodsky@....com>
To: x86@...nel.org
Cc: linux-kernel@...r.kernel.org,
	Kevin Brodsky <kevin.brodsky@....com>,
	bp@...en8.de,
	dan.j.williams@...el.com,
	dave.hansen@...ux.intel.com,
	david@...hat.com,
	jane.chu@...cle.com,
	osalvador@...e.de,
	tglx@...utronix.de
Subject: [PATCH 3/4] x86/mm: Remove unused __set_memory_prot()

__set_memory_prot() is unused since commit 5c11f00b09c1 ("x86:
remove memory hotplug support on X86_32"). Let's remove it.

Signed-off-by: Kevin Brodsky <kevin.brodsky@....com>
---
 arch/x86/include/asm/set_memory.h |  1 -
 arch/x86/mm/pat/set_memory.c      | 13 -------------
 2 files changed, 14 deletions(-)

diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index cc62ef70ccc0..6586d533fe3a 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -38,7 +38,6 @@ int set_memory_rox(unsigned long addr, int numpages);
  * The caller is required to take care of these.
  */
 
-int __set_memory_prot(unsigned long addr, int numpages, pgprot_t prot);
 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);
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 95bc50a8541c..2dc1145cfdb8 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -1944,19 +1944,6 @@ static inline int cpa_clear_pages_array(struct page **pages, int numpages,
 		CPA_PAGES_ARRAY, pages);
 }
 
-/*
- * __set_memory_prot is an internal helper for callers that have been passed
- * a pgprot_t value from upper layers and a reservation has already been taken.
- * If you want to set the pgprot to a specific page protocol, use the
- * set_memory_xx() functions.
- */
-int __set_memory_prot(unsigned long addr, int numpages, pgprot_t prot)
-{
-	return change_page_attr_set_clr(&addr, numpages, prot,
-					__pgprot(~pgprot_val(prot)), 0, 0,
-					NULL);
-}
-
 int _set_memory_uc(unsigned long addr, int numpages)
 {
 	/*
-- 
2.47.0