The patch titled
Subject: kmap: remove kmap_atomic_to_page()
has been added to the -mm tree. Its filename is
kmap-remove-kmap_atomic_to_page.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kmap-remove-kmap_atomic_to_page.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kmap-remove-kmap_atomic_to_page.patch
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------------------------------------------------------
From: Ira Weiny <ira.weiny@xxxxxxxxx>
Subject: kmap: remove kmap_atomic_to_page()
kmap_atomic_to_page() has no callers and is only defined on 1 arch and
declared on another. Remove it.
Link: http://lkml.kernel.org/r/20200507150004.1423069-13-ira.weiny@xxxxxxxxx
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Suggested-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/csky/include/asm/highmem.h | 1 -
arch/csky/mm/highmem.c | 13 -------------
arch/nds32/include/asm/highmem.h | 1 -
3 files changed, 15 deletions(-)
--- a/arch/csky/include/asm/highmem.h~kmap-remove-kmap_atomic_to_page
+++ a/arch/csky/include/asm/highmem.h
@@ -33,7 +33,6 @@ extern pte_t *pkmap_page_table;
#define ARCH_HAS_KMAP_FLUSH_TLB
extern void kmap_flush_tlb(unsigned long addr);
extern void *kmap_atomic_pfn(unsigned long pfn);
-extern struct page *kmap_atomic_to_page(void *ptr);
#define flush_cache_kmaps() do {} while (0)
--- a/arch/csky/mm/highmem.c~kmap-remove-kmap_atomic_to_page
+++ a/arch/csky/mm/highmem.c
@@ -81,19 +81,6 @@ void *kmap_atomic_pfn(unsigned long pfn)
return (void *) vaddr;
}
-struct page *kmap_atomic_to_page(void *ptr)
-{
- unsigned long idx, vaddr = (unsigned long)ptr;
- pte_t *pte;
-
- if (vaddr < FIXADDR_START)
- return virt_to_page(ptr);
-
- idx = virt_to_fix(vaddr);
- pte = kmap_pte - (idx - FIX_KMAP_BEGIN);
- return pte_page(*pte);
-}
-
static void __init kmap_pages_init(void)
{
unsigned long vaddr;
--- a/arch/nds32/include/asm/highmem.h~kmap-remove-kmap_atomic_to_page
+++ a/arch/nds32/include/asm/highmem.h
@@ -52,7 +52,6 @@ extern void kmap_init(void);
*/
#ifdef CONFIG_HIGHMEM
extern void *kmap_atomic_pfn(unsigned long pfn);
-extern struct page *kmap_atomic_to_page(void *ptr);
#endif
#endif
_
Patches currently in -mm which might be from ira.weiny@xxxxxxxxx are
arch-kmap-remove-bug_on.patch
arch-xtensa-move-kmap-build-bug-out-of-the-way.patch
arch-kmap-remove-redundant-arch-specific-kmaps.patch
arch-kunmap-remove-duplicate-kunmap-implementations.patch
x86powerpcmicroblaze-kmap-move-preempt-disable.patch
arch-kmap_atomic-consolidate-duplicate-code.patch
arch-kunmap_atomic-consolidate-duplicate-code.patch
arch-kmap-ensure-kmap_prot-visibility.patch
arch-kmap-dont-hard-code-kmap_prot-values.patch
arch-kmap-define-kmap_atomic_prot-for-all-archs.patch
drm-remove-drm-specific-kmap_atomic-code.patch
kmap-remove-kmap_atomic_to_page.patch
parisc-kmap-remove-duplicate-kmap-code.patch
sparc-remove-unnecessary-includes.patch
kmap-consolidate-kmap_prot-definitions.patch
