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authorTejun Heo <tj@kernel.org>2011-07-12 09:58:09 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2011-07-13 16:36:01 -0700
commit1f5026a7e21e409c2b9dd54f6dfb9446511fb7c5 (patch)
treebcf0529d5f05ea8b685d6c0fddcb3197c2fab49c /arch/x86/kernel
parent348968eb151e2569ad0ebe19b2f9c3c25b5c816a (diff)
downloadtalos-op-linux-1f5026a7e21e409c2b9dd54f6dfb9446511fb7c5.tar.gz
talos-op-linux-1f5026a7e21e409c2b9dd54f6dfb9446511fb7c5.zip
memblock: Kill MEMBLOCK_ERROR
25818f0f28 (memblock: Make MEMBLOCK_ERROR be 0) thankfully made MEMBLOCK_ERROR 0 and there already are codes which expect error return to be 0. There's no point in keeping MEMBLOCK_ERROR around. End its misery. Signed-off-by: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1310457490-3356-6-git-send-email-tj@kernel.org Cc: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/aperture_64.c2
-rw-r--r--arch/x86/kernel/check.c2
-rw-r--r--arch/x86/kernel/e820.c2
-rw-r--r--arch/x86/kernel/setup.c4
-rw-r--r--arch/x86/kernel/trampoline.c2
5 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 3d2661ca6542..56363082bbdf 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -88,7 +88,7 @@ static u32 __init allocate_aperture(void)
*/
addr = memblock_find_in_range(GART_MIN_ADDR, GART_MAX_ADDR,
aper_size, aper_size);
- if (addr == MEMBLOCK_ERROR || addr + aper_size > GART_MAX_ADDR) {
+ if (!addr || addr + aper_size > GART_MAX_ADDR) {
printk(KERN_ERR
"Cannot allocate aperture memory hole (%lx,%uK)\n",
addr, aper_size>>10);
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index 452932d34730..95680fc4df5c 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -86,7 +86,7 @@ void __init setup_bios_corruption_check(void)
u64 size;
addr = memblock_x86_find_in_range_size(addr, &size, PAGE_SIZE);
- if (addr == MEMBLOCK_ERROR)
+ if (!addr)
break;
if (addr >= corruption_check_size)
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 3e2ef8425316..0f9ff58d06d7 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -745,7 +745,7 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
for (start = startt; ; start += size) {
start = memblock_x86_find_in_range_size(start, &size, align);
- if (start == MEMBLOCK_ERROR)
+ if (!start)
return 0;
if (size >= sizet)
break;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index afaf38447ef5..31ffe20d5d27 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -331,7 +331,7 @@ static void __init relocate_initrd(void)
ramdisk_here = memblock_find_in_range(0, end_of_lowmem, area_size,
PAGE_SIZE);
- if (ramdisk_here == MEMBLOCK_ERROR)
+ if (!ramdisk_here)
panic("Cannot find place for new RAMDISK of size %lld\n",
ramdisk_size);
@@ -554,7 +554,7 @@ static void __init reserve_crashkernel(void)
crash_base = memblock_find_in_range(alignment,
CRASH_KERNEL_ADDR_MAX, crash_size, alignment);
- if (crash_base == MEMBLOCK_ERROR) {
+ if (!crash_base) {
pr_info("crashkernel reservation failed - No suitable area found.\n");
return;
}
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c
index a91ae7709b49..a1f13ddb06e0 100644
--- a/arch/x86/kernel/trampoline.c
+++ b/arch/x86/kernel/trampoline.c
@@ -14,7 +14,7 @@ void __init setup_trampolines(void)
/* Has to be in very low memory so we can execute real-mode AP code. */
mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE);
- if (mem == MEMBLOCK_ERROR)
+ if (!mem)
panic("Cannot allocate trampoline\n");
x86_trampoline_base = __va(mem);
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