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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-02-22 17:19:14 +0100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-11 07:10:14 +0100 |
| commit | 1cdab55d8a8313f77a95fb8ca966dc4334f8e810 (patch) | |
| tree | 09649768514553e9c25d1a5a53a5cd567d0e138d /arch/powerpc/include/asm/io.h | |
| parent | powerpc: Estimate G5 cpufreq transition latency (diff) | |
| download | linux-1cdab55d8a8313f77a95fb8ca966dc4334f8e810.tar.xz linux-1cdab55d8a8313f77a95fb8ca966dc4334f8e810.zip | |
powerpc: Wire up /proc/vmallocinfo to our ioremap()
This adds the necessary bits and pieces to powerpc implementation of
ioremap to benefit from caller tracking in /proc/vmallocinfo, at least
for ioremap's done after mem init as the older ones aren't tracked.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/io.h')
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 494cd8b0a278..001f2f11c19b 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -632,6 +632,9 @@ static inline void iosync(void) * ioremap_flags and cannot be hooked (but can be used by a hook on one * of the previous ones) * + * * __ioremap_caller is the same as above but takes an explicit caller + * reference rather than using __builtin_return_address(0) + * * * __iounmap, is the low level implementation used by iounmap and cannot * be hooked (but can be used by a hook on iounmap) * @@ -646,6 +649,9 @@ extern void iounmap(volatile void __iomem *addr); extern void __iomem *__ioremap(phys_addr_t, unsigned long size, unsigned long flags); +extern void __iomem *__ioremap_caller(phys_addr_t, unsigned long size, + unsigned long flags, void *caller); + extern void __iounmap(volatile void __iomem *addr); extern void __iomem * __ioremap_at(phys_addr_t pa, void *ea, |