hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

BUG_ON() Conversion in mm/highmem.c 

this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
This commit is contained in:
Eric Sesterhenn 2006-04-02 13:47:35 +02:00 committed by Adrian Bunk
parent 9f31252cb6
commit 75babcaced
1 changed files with 5 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
mm/highmem.c
View File

@ -74,8 +74,7 @@ static void flush_all_zero_pkmaps(void)
pkmap_count[i] = 0;
/* sanity check */
if (pte_none(pkmap_page_table[i]))
BUG();
BUG_ON(pte_none(pkmap_page_table[i]));
/*
* Don't need an atomic fetch-and-clear op here;
@ -158,8 +157,7 @@ void fastcall *kmap_high(struct page *page)
if (!vaddr)
vaddr = map_new_virtual(page);
pkmap_count[PKMAP_NR(vaddr)]++;
if (pkmap_count[PKMAP_NR(vaddr)] < 2)
BUG();
BUG_ON(pkmap_count[PKMAP_NR(vaddr)] < 2);
spin_unlock(&kmap_lock);
return (void*) vaddr;
}
@ -174,8 +172,7 @@ void fastcall kunmap_high(struct page *page)
spin_lock(&kmap_lock);
vaddr = (unsigned long)page_address(page);
if (!vaddr)
BUG();
BUG_ON(!vaddr);
nr = PKMAP_NR(vaddr);
/*
@ -220,8 +217,7 @@ static __init int init_emergency_pool(void)
return 0;
page_pool = mempool_create_page_pool(POOL_SIZE, 0);
if (!page_pool)
BUG();
BUG_ON(!page_pool);
printk("highmem bounce pool size: %d pages\n", POOL_SIZE);
return 0;
@ -264,8 +260,7 @@ int init_emergency_isa_pool(void)
isa_page_pool = mempool_create(ISA_POOL_SIZE, mempool_alloc_pages_isa,
mempool_free_pages, (void *) 0);
if (!isa_page_pool)
BUG();
BUG_ON(!isa_page_pool);
printk("isa bounce pool size: %d pages\n", ISA_POOL_SIZE);
return 0;