imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-11-15 06:25:26 +01:00
Code Issues Packages Projects Releases Wiki Activity

mm: remove gcc workaround

Browse Source 
Minimum gcc version is 3.2 now.  However, with likely profiling, even
modern gcc versions cannot always eliminate the call.

Replace the placeholder functions with the more conventional empty static
inlines, which should be optimal for everyone.

Signed-off-by: Nick Piggin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Nick Piggin authored and Linus Torvalds committed 2007-05-07 12:12:51 -07:00
1 parent d2ba27e800
commit 5f22df00a0
2 files changed
+18 -12
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

include/linux/mm.h
+18
View File
@@ -850,8 +850,26 @@ static inline int vma_wants_writenotify(struct vm_area_struct *vma)
extern pte_t *FASTCALL(get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl));
#ifdef __PAGETABLE_PUD_FOLDED
static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,
unsigned long address)
{
return 0;
}
#else
int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
#endif
#ifdef __PAGETABLE_PMD_FOLDED
static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,
unsigned long address)
{
return 0;
}
#else
int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
#endif
int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address);
int __pte_alloc_kernel(pmd_t *pmd, unsigned long address);
mm/memory.c
-12
View File
@@ -2633,12 +2633,6 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
spin_unlock(&mm->page_table_lock);
return 0;
}
#else
/* Workaround for gcc 2.96 */
int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
{
return 0;
}
#endif /* __PAGETABLE_PUD_FOLDED */
#ifndef __PAGETABLE_PMD_FOLDED
@@ -2667,12 +2661,6 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
spin_unlock(&mm->page_table_lock);
return 0;
}
#else
/* Workaround for gcc 2.96 */
int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
{
return 0;
}
#endif /* __PAGETABLE_PMD_FOLDED */
int make_pages_present(unsigned long addr, unsigned long end)