Message ID | 20200504010912.982044-3-ira.weiny@intel.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
Series | Subject: Remove duplicated kmap code | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (1bc92fe3175eb26ff37e580c0383d7a9abe06835) |
snowpatch_ozlabs/checkpatch | warning | total: 0 errors, 1 warnings, 0 checks, 21 lines checked |
snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h index 413848cc1e56..a9587c85be85 100644 --- a/arch/xtensa/include/asm/highmem.h +++ b/arch/xtensa/include/asm/highmem.h @@ -68,11 +68,6 @@ void kunmap_high(struct page *page); static inline void *kmap(struct page *page) { - /* Check if this memory layout is broken because PKMAP overlaps - * page table. - */ - BUILD_BUG_ON(PKMAP_BASE < - TLBTEMP_BASE_1 + TLBTEMP_SIZE); might_sleep(); if (!PageHighMem(page)) return page_address(page); diff --git a/arch/xtensa/mm/highmem.c b/arch/xtensa/mm/highmem.c index 184ceadccc1a..da734a2ed641 100644 --- a/arch/xtensa/mm/highmem.c +++ b/arch/xtensa/mm/highmem.c @@ -88,6 +88,10 @@ void __init kmap_init(void) { unsigned long kmap_vstart; + /* Check if this memory layout is broken because PKMAP overlaps + * page table. + */ + BUILD_BUG_ON(PKMAP_BASE < TLBTEMP_BASE_1 + TLBTEMP_SIZE); /* cache the first kmap pte */ kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); kmap_pte = kmap_get_fixmap_pte(kmap_vstart);