summaryrefslogtreecommitdiff
path: root/arch/x86
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86')
-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
-rw-r--r--arch/x86/mm/init.c2
-rw-r--r--arch/x86/mm/memblock.c6
-rw-r--r--arch/x86/mm/numa.c6
-rw-r--r--arch/x86/mm/numa_32.c4
-rw-r--r--arch/x86/mm/numa_emulation.c2
10 files changed, 16 insertions, 16 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);
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 30326443ab81..13cf05a61605 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -68,7 +68,7 @@ static void __init find_early_table_space(unsigned long end, int use_pse,
#endif
base = memblock_find_in_range(start, good_end, tables, PAGE_SIZE);
- if (base == MEMBLOCK_ERROR)
+ if (!base)
panic("Cannot find space for the kernel page tables");
pgt_buf_start = base >> PAGE_SHIFT;
diff --git a/arch/x86/mm/memblock.c b/arch/x86/mm/memblock.c
index 992da5ec5a64..e126117d1b03 100644
--- a/arch/x86/mm/memblock.c
+++ b/arch/x86/mm/memblock.c
@@ -66,7 +66,7 @@ u64 __init memblock_x86_find_in_range_size(u64 start, u64 *sizep, u64 align)
return addr;
}
- return MEMBLOCK_ERROR;
+ return 0;
}
static __init struct range *find_range_array(int count)
@@ -78,7 +78,7 @@ static __init struct range *find_range_array(int count)
end = memblock.current_limit;
mem = memblock_find_in_range(0, end, size, sizeof(struct range));
- if (mem == MEMBLOCK_ERROR)
+ if (!mem)
panic("can not find more space for range array");
/*
@@ -274,7 +274,7 @@ u64 __init memblock_x86_find_in_range_node(int nid, u64 start, u64 end, u64 size
{
u64 addr;
addr = find_memory_core_early(nid, size, align, start, end);
- if (addr != MEMBLOCK_ERROR)
+ if (addr)
return addr;
/* Fallback, should already have start end within node range */
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index fbeaaf416610..fa1015de5cc0 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -226,10 +226,10 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
} else {
nd_pa = memblock_x86_find_in_range_node(nid, nd_low, nd_high,
nd_size, SMP_CACHE_BYTES);
- if (nd_pa == MEMBLOCK_ERROR)
+ if (!nd_pa)
nd_pa = memblock_find_in_range(nd_low, nd_high,
nd_size, SMP_CACHE_BYTES);
- if (nd_pa == MEMBLOCK_ERROR) {
+ if (!nd_pa) {
pr_err("Cannot find %zu bytes in node %d\n",
nd_size, nid);
return;
@@ -395,7 +395,7 @@ static int __init numa_alloc_distance(void)
phys = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
size, PAGE_SIZE);
- if (phys == MEMBLOCK_ERROR) {
+ if (!phys) {
pr_warning("NUMA: Warning: can't allocate distance table!\n");
/* don't retry until explicitly reset */
numa_distance = (void *)1LU;
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 3adebe7e536a..58878b536ef2 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -199,7 +199,7 @@ void __init init_alloc_remap(int nid, u64 start, u64 end)
/* allocate node memory and the lowmem remap area */
node_pa = memblock_find_in_range(start, end, size, LARGE_PAGE_BYTES);
- if (node_pa == MEMBLOCK_ERROR) {
+ if (!node_pa) {
pr_warning("remap_alloc: failed to allocate %lu bytes for node %d\n",
size, nid);
return;
@@ -209,7 +209,7 @@ void __init init_alloc_remap(int nid, u64 start, u64 end)
remap_pa = memblock_find_in_range(min_low_pfn << PAGE_SHIFT,
max_low_pfn << PAGE_SHIFT,
size, LARGE_PAGE_BYTES);
- if (remap_pa == MEMBLOCK_ERROR) {
+ if (!remap_pa) {
pr_warning("remap_alloc: failed to allocate %lu bytes remap area for node %d\n",
size, nid);
memblock_x86_free_range(node_pa, node_pa + size);
diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c
index d0ed086b6247..e3d471c20cdc 100644
--- a/arch/x86/mm/numa_emulation.c
+++ b/arch/x86/mm/numa_emulation.c
@@ -351,7 +351,7 @@ void __init numa_emulation(struct numa_meminfo *numa_meminfo, int numa_dist_cnt)
phys = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
phys_size, PAGE_SIZE);
- if (phys == MEMBLOCK_ERROR) {
+ if (!phys) {
pr_warning("NUMA: Warning: can't allocate copy of distance table, disabling emulation\n");
goto no_emu;
}