[merged] mm-nobootmem-remove-dead-code.patch removed from -mm tree

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The patch titled
     Subject: mm: nobootmem: remove dead code
has been removed from the -mm tree.  Its filename was
     mm-nobootmem-remove-dead-code.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
Subject: mm: nobootmem: remove dead code

Several bootmem functions and macros are not used. Remove them.

Link: http://lkml.kernel.org/r/1536927045-23536-6-git-send-email-rppt@xxxxxxxxxxxxxxxxxx
Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Greentime Hu <green.hu@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Guan Xuetao <gxt@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Ley Foon Tan <lftan@xxxxxxxxxx>
Cc: Mark Salter <msalter@xxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxx>
Cc: Paul Burton <paul.burton@xxxxxxxx>
Cc: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
Cc: Richard Weinberger <richard@xxxxxx>
Cc: Rich Felker <dalias@xxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Serge Semin <fancer.lancer@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/bootmem.h |   26 --------------------------
 mm/nobootmem.c          |   35 -----------------------------------
 2 files changed, 61 deletions(-)

--- a/include/linux/bootmem.h~mm-nobootmem-remove-dead-code
+++ a/include/linux/bootmem.h
@@ -36,17 +36,6 @@ extern void free_bootmem_node(pg_data_t
 extern void free_bootmem(unsigned long physaddr, unsigned long size);
 extern void free_bootmem_late(unsigned long physaddr, unsigned long size);
 
-/*
- * Flags for reserve_bootmem (also if CONFIG_HAVE_ARCH_BOOTMEM_NODE,
- * the architecture-specific code should honor this).
- *
- * If flags is BOOTMEM_DEFAULT, then the return value is always 0 (success).
- * If flags contains BOOTMEM_EXCLUSIVE, then -EBUSY is returned if the memory
- * already was reserved.
- */
-#define BOOTMEM_DEFAULT		0
-#define BOOTMEM_EXCLUSIVE	(1<<0)
-
 extern void *__alloc_bootmem(unsigned long size,
 			     unsigned long align,
 			     unsigned long goal);
@@ -73,13 +62,6 @@ void *___alloc_bootmem_node_nopanic(pg_d
 extern void *__alloc_bootmem_low(unsigned long size,
 				 unsigned long align,
 				 unsigned long goal) __malloc;
-void *__alloc_bootmem_low_nopanic(unsigned long size,
-				 unsigned long align,
-				 unsigned long goal) __malloc;
-extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
-				      unsigned long size,
-				      unsigned long align,
-				      unsigned long goal) __malloc;
 
 /* We are using top down, so it is safe to use 0 here */
 #define BOOTMEM_LOW_LIMIT 0
@@ -92,8 +74,6 @@ extern void *__alloc_bootmem_low_node(pg
 	__alloc_bootmem(x, SMP_CACHE_BYTES, BOOTMEM_LOW_LIMIT)
 #define alloc_bootmem_align(x, align) \
 	__alloc_bootmem(x, align, BOOTMEM_LOW_LIMIT)
-#define alloc_bootmem_nopanic(x) \
-	__alloc_bootmem_nopanic(x, SMP_CACHE_BYTES, BOOTMEM_LOW_LIMIT)
 #define alloc_bootmem_pages(x) \
 	__alloc_bootmem(x, PAGE_SIZE, BOOTMEM_LOW_LIMIT)
 #define alloc_bootmem_pages_nopanic(x) \
@@ -104,17 +84,11 @@ extern void *__alloc_bootmem_low_node(pg
 	__alloc_bootmem_node_nopanic(pgdat, x, SMP_CACHE_BYTES, BOOTMEM_LOW_LIMIT)
 #define alloc_bootmem_pages_node(pgdat, x) \
 	__alloc_bootmem_node(pgdat, x, PAGE_SIZE, BOOTMEM_LOW_LIMIT)
-#define alloc_bootmem_pages_node_nopanic(pgdat, x) \
-	__alloc_bootmem_node_nopanic(pgdat, x, PAGE_SIZE, BOOTMEM_LOW_LIMIT)
 
 #define alloc_bootmem_low(x) \
 	__alloc_bootmem_low(x, SMP_CACHE_BYTES, 0)
-#define alloc_bootmem_low_pages_nopanic(x) \
-	__alloc_bootmem_low_nopanic(x, PAGE_SIZE, 0)
 #define alloc_bootmem_low_pages(x) \
 	__alloc_bootmem_low(x, PAGE_SIZE, 0)
-#define alloc_bootmem_low_pages_node(pgdat, x) \
-	__alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0)
 
 /* FIXME: use MEMBLOCK_ALLOC_* variants here */
 #define BOOTMEM_ALLOC_ACCESSIBLE	0
--- a/mm/nobootmem.c~mm-nobootmem-remove-dead-code
+++ a/mm/nobootmem.c
@@ -404,38 +404,3 @@ void * __init __alloc_bootmem_low(unsign
 {
 	return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT);
 }
-
-void * __init __alloc_bootmem_low_nopanic(unsigned long size,
-					  unsigned long align,
-					  unsigned long goal)
-{
-	return ___alloc_bootmem_nopanic(size, align, goal,
-					ARCH_LOW_ADDRESS_LIMIT);
-}
-
-/**
- * __alloc_bootmem_low_node - allocate low boot memory from a specific node
- * @pgdat: node to allocate from
- * @size: size of the request in bytes
- * @align: alignment of the region
- * @goal: preferred starting address of the region
- *
- * The goal is dropped if it can not be satisfied and the allocation will
- * fall back to memory below @goal.
- *
- * Allocation may fall back to any node in the system if the specified node
- * can not hold the requested memory.
- *
- * The function panics if the request can not be satisfied.
- *
- * Return: address of the allocated region.
- */
-void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size,
-				       unsigned long align, unsigned long goal)
-{
-	if (WARN_ON_ONCE(slab_is_available()))
-		return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
-
-	return ___alloc_bootmem_node(pgdat, size, align, goal,
-				     ARCH_LOW_ADDRESS_LIMIT);
-}
_

Patches currently in -mm which might be from rppt@xxxxxxxxxxxxxxxxxx are





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