lkml.org 
[lkml]   [2018]   [Mar]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] x86/mm/32: Remove unused node_memmap_size_bytes
node_memmap_size_bytes() has been unused since the 3.9 kernel, so remove
it.

Fixes: f03574f2d5b2 ("x86-32, mm: Rip out x86_32 NUMA remapping code")
Signed-off-by: David Rientjes <rientjes@google.com>
---
arch/x86/Kconfig | 4 ----
arch/x86/mm/numa_32.c | 11 -----------
include/linux/mmzone.h | 5 -----
mm/sparse.c | 22 ----------------------
4 files changed, 42 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1598,10 +1598,6 @@ config ARCH_HAVE_MEMORY_PRESENT
def_bool y
depends on X86_32 && DISCONTIGMEM

-config NEED_NODE_MEMMAP_SIZE
- def_bool y
- depends on X86_32 && (DISCONTIGMEM || SPARSEMEM)
-
config ARCH_FLATMEM_ENABLE
def_bool y
depends on X86_32 && !NUMA
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -60,17 +60,6 @@ void memory_present(int nid, unsigned long start, unsigned long end)
}
printk(KERN_CONT "\n");
}
-
-unsigned long node_memmap_size_bytes(int nid, unsigned long start_pfn,
- unsigned long end_pfn)
-{
- unsigned long nr_pages = end_pfn - start_pfn;
-
- if (!nr_pages)
- return 0;
-
- return (nr_pages + 1) * sizeof(struct page);
-}
#endif

extern unsigned long highend_pfn, highstart_pfn;
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -819,10 +819,6 @@ int local_memory_node(int node_id);
static inline int local_memory_node(int node_id) { return node_id; };
#endif

-#ifdef CONFIG_NEED_NODE_MEMMAP_SIZE
-unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);
-#endif
-
/*
* zone_idx() returns 0 for the ZONE_DMA zone, 1 for the ZONE_NORMAL zone, etc.
*/
@@ -1292,7 +1288,6 @@ struct mminit_pfnnid_cache {
#endif

void memory_present(int nid, unsigned long start, unsigned long end);
-unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);

/*
* If it is possible to have holes within a MAX_ORDER_NR_PAGES, then we
diff --git a/mm/sparse.c b/mm/sparse.c
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -242,28 +242,6 @@ void __init memory_present(int nid, unsigned long start, unsigned long end)
}
}

-/*
- * Only used by the i386 NUMA architecures, but relatively
- * generic code.
- */
-unsigned long __init node_memmap_size_bytes(int nid, unsigned long start_pfn,
- unsigned long end_pfn)
-{
- unsigned long pfn;
- unsigned long nr_pages = 0;
-
- mminit_validate_memmodel_limits(&start_pfn, &end_pfn);
- for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
- if (nid != early_pfn_to_nid(pfn))
- continue;
-
- if (pfn_present(pfn))
- nr_pages += PAGES_PER_SECTION;
- }
-
- return nr_pages * sizeof(struct page);
-}
-
/*
* Subtle, we encode the real pfn into the mem_map such that
* the identity pfn - section_mem_map will return the actual
\
 
 \ /
  Last update: 2018-03-27 08:28    [W:0.049 / U:2.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site